diff --git a/lib/cmds/blockchain/blockchain.js b/lib/cmds/blockchain/blockchain.js
index aefe81604..86952fc27 100644
--- a/lib/cmds/blockchain/blockchain.js
+++ b/lib/cmds/blockchain/blockchain.js
@@ -156,7 +156,7 @@ Blockchain.prototype.run = function() {
       }
     });
     self.child.stdout.on('data', (data) => {
-      console.log(`Geth error: ${data}`);
+      console.error(`Geth error: ${data}`);
     });
     // Geth logs appear in stderr somehow
     self.child.stderr.on('data', (data) => {
diff --git a/lib/index.js b/lib/index.js
index 71b40b343..f2dd51002 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -34,18 +34,13 @@ class Embark {
     this.plugins = this.config.plugins;
   }
 
-  isDev(env) {
-    if (this.config && this.config.blockchainConfig && this.config.blockchainConfig.isDev) {
-      return true;
-    } else if (this.config && this.config.blockchainConfig && this.config.blockchainConfig.isDev === false) {
-      return false;
-    }
-    return (env === 'development');
+  isDev() {
+    return this.config && this.config.blockchainConfig && this.config.blockchainConfig.isDev;
   }
 
   blockchain(env, client) {
     this.context = [constants.contexts.blockchain];
-    return require('./cmds/blockchain/blockchain.js')(this.config.blockchainConfig, client, env, this.isDev(env)).run();
+    return require('./cmds/blockchain/blockchain.js')(this.config.blockchainConfig, client, env, this.isDev()).run();
   }
 
   simulator(options) {
@@ -75,7 +70,7 @@ class Embark {
       env: options.env,
       client: options.client,
       locale: options.locale,
-      isDev: this.isDev(options.env),
+      isDev: this.isDev(),
       version: this.version,
       embarkConfig: options.embarkConfig || 'embark.json',
       logFile: options.logFile,
@@ -170,7 +165,7 @@ class Embark {
       env: options.env,
       client: options.client,
       locale: options.locale,
-      isDev: this.isDev(options.env),
+      isDev: this.isDev(),
       version: this.version,
       embarkConfig: 'embark.json',
       interceptLogs: false,
@@ -242,7 +237,7 @@ class Embark {
     const Engine = require('./core/engine.js');
     const engine = new Engine({
       env: options.env,
-      isDev: this.isDev(options.env),
+      isDev: this.isDev(),
       version: this.version,
       embarkConfig: options.embarkConfig || 'embark.json',
       logFile: options.logFile,
@@ -297,7 +292,7 @@ class Embark {
       env: options.env,
       client: options.client,
       locale: options.locale,
-      isDev: this.isDev(options.env),
+      isDev: this.isDev(),
       version: this.version,
       embarkConfig: 'embark.json',
       interceptLogs: false,