diff --git a/lib/cmds/blockchain/blockchain.js b/lib/cmds/blockchain/blockchain.js
index 851aa0ce..dade0d23 100644
--- a/lib/cmds/blockchain/blockchain.js
+++ b/lib/cmds/blockchain/blockchain.js
@@ -1,5 +1,6 @@
 const async = require('async');
-const shelljs = require('shelljs');
+const child_process = require('child_process');
+const _ = require('underscore');
 
 const fs = require('../../core/fs.js');
 
@@ -62,7 +63,7 @@ Blockchain.prototype.runCommand = function(cmd, options, callback) {
   if (this.blockchainConfig.silent) {
     options.silent = true;
   }
-  return shelljs.exec(cmd, options, callback);
+  return child_process.exec(cmd, options, callback);
 };
 
 Blockchain.prototype.run = function() {
@@ -95,41 +96,59 @@ Blockchain.prototype.run = function() {
       next();
     },
     function getMainCommand(next) {
-      self.client.mainCommand(address, function(cmd) {
-        next(null, cmd);
-      });
+      self.client.mainCommand(address, function(cmd, args) {
+        next(null, cmd, args);
+      }, true);
     }
-  ], function (err, cmd) {
+  ], function (err, cmd, args) {
     if (err) {
       console.error(err);
       return;
     }
-    const child = self.runCommand(cmd, {}, (err, stdout, _stderr) => {
-      if (err && self.env === 'development' && stdout.indexOf('Failed to unlock') > 0) {
-        // console.error is captured and sent to the console output regardless of silent setting
+    console.error(cmd);
+    args = _.compact(args);
+
+    /*cmd = cmd.replace(/"/g, '').split(' --');
+    let args = _.compact(cmd.splice(1)).map(arg => {
+      return '--' + arg;
+    });
+    console.error('CMD', cmd[0]);*/
+    console.error('ARGS', args);
+
+    console.log('CWD', process.cwd());
+    const child = child_process.spawn(cmd, args, {cwd: process.cwd()});
+
+    child.on('error', (err) => {
+      err = err.toString();
+      console.error('ERROR', err);
+      if (self.env === 'development' && err.indexOf('Failed to unlock') > 0) {
         console.error('\n' + __('Development blockchain has changed to use the --dev option.').yellow);
         console.error(__('You can reset your workspace to fix the problem with').yellow + ' embark reset'.cyan);
         console.error(__('Otherwise, you can change your data directory in blockchain.json (datadir)').yellow);
       }
     });
-    if (self.onReadyCallback) {
-      // Geth logs appear in stderr somehow
-      let lastMessage;
-      child.stderr.on('data', (data) => {
-        if (!self.readyCalled && data.indexOf('Mapped network port') > -1) {
-          self.readyCalled = true;
-          self.onReadyCallback();
-        }
-        lastMessage = data;
-        console.log('Geth: ' + data);
-      });
-      child.on('exit', (code) => {
-        if (code) {
-          console.error('Geth exited with error code ' + code);
+    // Geth logs appear in stderr somehow
+    let lastMessage;
+    child.stdout.on('data', (data) => {
+      console.log(`Geth error: ${data}`);
+    });
+    child.stderr.on('data', (data) => {
+      data = data.toString();
+      if (self.onReadyCallback && !self.readyCalled && data.indexOf('Mapped network port') > -1) {
+        self.readyCalled = true;
+        self.onReadyCallback();
+      }
+      lastMessage = data;
+      console.log('Geth: ' + data);
+    });
+    child.on('exit', (code) => {
+      if (code) {
+        console.error('Geth exited with error code ' + code);
+        if (lastMessage) {
           console.error(lastMessage);
         }
-      });
-    }
+      }
+    });
   });
 };
 
diff --git a/lib/cmds/blockchain/geth_commands.js b/lib/cmds/blockchain/geth_commands.js
index e64f47a6..612170b9 100644
--- a/lib/cmds/blockchain/geth_commands.js
+++ b/lib/cmds/blockchain/geth_commands.js
@@ -12,28 +12,28 @@ class GethCommands {
 
   commonOptions() {
     let config = this.config;
-    let cmd = "";
+    let cmd = [];
 
-    cmd += this.determineNetworkType(config);
+    cmd.push(this.determineNetworkType(config));
 
     if (config.datadir) {
-      cmd += "--datadir=\"" + config.datadir + "\" ";
+      cmd.push("--datadir=" + config.datadir);
     }
 
     if (config.light) {
-      cmd += "--light ";
+      cmd.push("--light");
     }
 
     if (config.fast) {
-      cmd += "--fast ";
+      cmd.push("--fast");
     }
 
     if (config.account && config.account.password) {
-      cmd += "--password " + config.account.password + " ";
+      cmd.push("--password=" + config.account.password);
     }
 
     if (Number.isInteger(config.verbosity) && config.verbosity >=0 && config.verbosity <= 5) {
-      cmd += "--verbosity " + config.verbosity + " ";
+      cmd.push("--verbosity=" + config.verbosity);
     }
 
     return cmd;
@@ -44,20 +44,20 @@ class GethCommands {
   }
 
   determineNetworkType(config) {
-    let cmd = "";
+    let cmd;
     if (config.networkType === 'testnet') {
-      cmd += "--testnet ";
+      cmd = "--testnet ";
     } else if (config.networkType === 'olympic') {
-      cmd += "--olympic ";
+      cmd = "--olympic ";
     } else if (config.networkType === 'custom') {
-      cmd += "--networkid " + config.networkId + " ";
+      cmd = "--networkid=" + config.networkId;
     }
     return cmd;
   }
 
   initGenesisCommmand() {
     let config = this.config;
-    let cmd = this.geth_bin + " " + this.commonOptions();
+    let cmd = this.geth_bin + " " + this.commonOptions().join(' ');
 
     if (config.genesisBlock) {
       cmd += "init \"" + config.genesisBlock + "\" ";
@@ -67,20 +67,20 @@ class GethCommands {
   }
 
   newAccountCommand() {
-    return this.geth_bin + " " + this.commonOptions() + "account new ";
+    return this.geth_bin + " " + this.commonOptions().join(' ') + "account new ";
   }
 
   listAccountsCommand() {
-    return this.geth_bin + " " + this.commonOptions() + "account list ";
+    return this.geth_bin + " " + this.commonOptions().join(' ') + "account list ";
   }
 
   determineRpcOptions(config) {
-    let cmd = "";
+    let cmd = [];
 
-    cmd += "--port " + config.port + " ";
-    cmd += "--rpc ";
-    cmd += "--rpcport " + config.rpcPort + " ";
-    cmd += "--rpcaddr " + config.rpcHost + " ";
+    cmd.push("--port=" + config.port);
+    cmd.push("--rpc");
+    cmd.push("--rpcport=" + config.rpcPort);
+    cmd.push("--rpcaddr=" + config.rpcHost);
     if (config.rpcCorsDomain) {
       if (config.rpcCorsDomain === '*') {
         console.log('==================================');
@@ -88,7 +88,7 @@ class GethCommands {
         console.log(__('make sure you know what you are doing'));
         console.log('==================================');
       }
-      cmd += "--rpccorsdomain=\"" + config.rpcCorsDomain + "\" ";
+      cmd.push("--rpccorsdomain=\"" + config.rpcCorsDomain + "\"");
     } else {
       console.log('==================================');
       console.log(__('warning: cors is not set'));
@@ -99,12 +99,12 @@ class GethCommands {
   }
 
   determineWsOptions(config) {
-    let cmd = "";
+    let cmd = [];
 
     if (config.wsRPC) {
-      cmd += "--ws ";
-      cmd += "--wsport " + config.wsPort + " ";
-      cmd += "--wsaddr " + config.wsHost + " ";
+      cmd.push("--ws");
+      cmd.push("--wsport=" + config.wsPort);
+      cmd.push("--wsaddr=" + config.wsHost);
       if (config.wsOrigins) {
         if (config.wsOrigins === '*') {
           console.log('==================================');
@@ -112,7 +112,7 @@ class GethCommands {
           console.log(__('make sure you know what you are doing'));
           console.log('==================================');
         }
-        cmd += "--wsorigins \"" + config.wsOrigins + "\" ";
+        cmd.push("--wsorigins=\"" + config.wsOrigins + "\"");
       } else {
         console.log('==================================');
         console.log(__('warning: wsOrigins is not set'));
@@ -129,44 +129,54 @@ class GethCommands {
     let rpc_api = (this.config.rpcApi || ['eth', 'web3', 'net']);
     let ws_api = (this.config.wsApi || ['eth', 'web3', 'net']);
 
+    let args = [];
+
     async.series([
       function commonOptions(callback) {
         let cmd = self.commonOptions();
+        args = args.concat(cmd);
         callback(null, cmd);
       },
       function rpcOptions(callback) {
         let cmd = self.determineRpcOptions(self.config);
+        args = args.concat(cmd);
         callback(null, cmd);
       },
       function wsOptions(callback) {
         let cmd = self.determineWsOptions(self.config);
+        args = args.concat(cmd);
         callback(null, cmd);
       },
       function dontGetPeers(callback) {
         if (config.nodiscover) {
+          args.push("--nodiscover");
           return callback(null, "--nodiscover");
         }
         callback(null, "");
       },
       function vmDebug(callback) {
         if (config.vmdebug) {
+          args.push("--vmdebug");
           return callback(null, "--vmdebug");
         }
         callback(null, "");
       },
       function maxPeers(callback) {
-        let cmd = "--maxpeers " + config.maxpeers;
+        let cmd = "--maxpeers=" + config.maxpeers;
+        args.push(cmd);
         callback(null, cmd);
       },
       function mining(callback) {
         if (config.mineWhenNeeded || config.mine) {
-          return callback(null, "--mine ");
+          args.push("--mine");
+          return callback(null, "--mine");
         }
         callback("");
       },
       function bootnodes(callback) {
         if (config.bootnodes && config.bootnodes !== "" && config.bootnodes !== []) {
-          return callback(null, "--bootnodes " + config.bootnodes);
+          args.push("--bootnodes=" + config.bootnodes);
+          return callback(null, "--bootnodes=" + config.bootnodes);
         }
         callback("");
       },
@@ -176,15 +186,18 @@ class GethCommands {
           if (ws_api.indexOf('shh') === -1) {
             ws_api.push('shh');
           }
+          args.push("--shh");
           return callback(null, "--shh ");
         }
         callback("");
       },
       function rpcApi(callback) {
-        callback(null, '--rpcapi "' + rpc_api.join(',') + '"');
+        args.push('--rpcapi="' + rpc_api.join(',') + '"');
+        callback(null, '--rpcapi="' + rpc_api.join(',') + '"');
       },
       function wsApi(callback) {
-        callback(null, '--wsapi "' + ws_api.join(',') + '"');
+        args.push('--wsapi="' + ws_api.join(',') + '"');
+        callback(null, '--wsapi="' + ws_api.join(',') + '"');
       },
       function accountToUnlock(callback) {
         let accountAddress = "";
@@ -194,33 +207,37 @@ class GethCommands {
           accountAddress = address;
         }
         if (accountAddress && !self.isDev) {
+          args.push("--unlock=" + accountAddress);
           return callback(null, "--unlock=" + accountAddress);
         }
         callback(null, "");
       },
       function gasLimit(callback) {
         if (config.targetGasLimit) {
-          return callback(null, "--targetgaslimit " + config.targetGasLimit);
+          args.push("--targetgaslimit=" + config.targetGasLimit);
+          return callback(null, "--targetgaslimit=" + config.targetGasLimit);
         }
         callback(null, "");
       },
       function mineWhenNeeded(callback) {
         if (config.mineWhenNeeded && !self.isDev) {
+          args.push("js .embark/" + self.env + "/js/mine.js");
           return callback(null, "js .embark/" + self.env + "/js/mine.js");
         }
         callback(null, "");
       },
       function isDev(callback) {
         if (self.isDev) {
+          args.push('--dev');
           return callback(null, '--dev');
         }
         callback(null, '');
       }
-    ], function (err, results) {
+    ], function (err) {
       if (err) {
         throw new Error(err.message);
       }
-      done(self.geth_bin + " " + results.join(" "));
+      return done(self.geth_bin, args);
     });
   }
 }
diff --git a/lib/processes/blockchainProcessLauncher.js b/lib/processes/blockchainProcessLauncher.js
index 8c2203b4..b677f81a 100644
--- a/lib/processes/blockchainProcessLauncher.js
+++ b/lib/processes/blockchainProcessLauncher.js
@@ -14,11 +14,11 @@ class BlockchainProcessLauncher {
   }
 
   processEnded(code) {
-    this.logger.error('Blockchain process ended before the end of this process. Code: ' + code);
+    this.logger.error(__('Blockchain process ended before the end of this process. Code: %s', code));
   }
 
   startBlockchainNode() {
-    this.logger.info('Starting Blockchain node in another process'.cyan);
+    this.logger.info(__('Starting Blockchain node in another process').cyan);
 
     this.blockchainProcess = new ProcessLauncher({
       modulePath: utils.joinPath(__dirname, '../cmds/blockchain/blockchainProcess.js'),
@@ -40,7 +40,7 @@ class BlockchainProcessLauncher {
     });
 
     this.blockchainProcess.once('result', constants.blockchain.blockchainReady, () => {
-      this.logger.info('Blockchain node is ready'.cyan);
+      this.logger.info(__('Blockchain node is ready').cyan);
       this.events.emit(constants.blockchain.blockchainReady);
     });
   }