diff --git a/lib/constants.json b/lib/constants.json
index d6bc7a60b..06d6a28c2 100644
--- a/lib/constants.json
+++ b/lib/constants.json
@@ -13,6 +13,7 @@
     "any": "any"
   },
   "events": {
-    "contractFilesChanged": "contractFilesChanged"
+    "contractFilesChanged": "contractFilesChanged",
+    "contractConfigChanged": "contractConfigChanged"
   }
 }
diff --git a/lib/contracts/contracts.js b/lib/contracts/contracts.js
index 2dd8e9a75..10f567085 100644
--- a/lib/contracts/contracts.js
+++ b/lib/contracts/contracts.js
@@ -19,8 +19,11 @@ class ContractsManager {
     this.deployOnlyOnConfig = false;
     this.events = options.events;
 
-    this.events.on(constants.events.contractFilesChanged, (newContracts) => {
-      this.contractFiles = newContracts;
+    this.events.on(constants.events.contractFilesChanged, (newContractFiles) => {
+      this.contractFiles = newContractFiles;
+    });
+    this.events.on(constants.events.contractConfigChanged, (newContracts) => {
+      this.contractsConfig = newContracts;
     });
   }
 
diff --git a/lib/core/config.js b/lib/core/config.js
index 99e0e9c0d..3b6333ddf 100644
--- a/lib/core/config.js
+++ b/lib/core/config.js
@@ -142,7 +142,12 @@ Config.prototype.loadContractsConfigFile = function() {
 
   let configFilePath = this._getFileOrOject(this.configDir, 'contracts.json', 'contracts');
 
-  this.contractsConfig = this._mergeConfig(configFilePath, configObject, this.env);
+  const newContractsConfig = this._mergeConfig(configFilePath, configObject, this.env);
+
+  if (!deepEqual(newContractsConfig, this.contractsConfig)) {
+    this.events.emit(constants.events.contractConfigChanged, newContractsConfig);
+    this.contractsConfig = newContractsConfig;
+  }
 };
 
 Config.prototype.loadExternalContractsFiles = function() {
@@ -220,7 +225,7 @@ Config.prototype.loadWebServerConfigFile = function() {
 Config.prototype.loadEmbarkConfigFile = function() {
   const contracts = this.embarkConfig.contracts;
   const newContractsFiles = this.loadFiles(contracts);
-  if (newContractsFiles.length !== this.contractFiles || deepEqual(newContractsFiles, this.contractFiles)) {
+  if (!this.contractFiles || newContractsFiles.length !== this.contractFiles.length || !deepEqual(newContractsFiles, this.contractFiles)) {
     this.events.emit(constants.events.contractFilesChanged, newContractsFiles);
     this.contractsFiles = newContractsFiles;
   }