diff --git a/lib/index.js b/lib/index.js
index 0cfd1b88e..32c660f57 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -37,7 +37,7 @@ class Embark {
 
   simulator(options) {
     this.context = options.context || [constants.contexts.simulator, constants.contexts.blockchain];
-    let Simulator =  require('./modules/blockchain_process/simulator.js');
+    let Simulator = require('./modules/blockchain_process/simulator.js');
     let simulator = new Simulator({
       blockchainConfig: this.config.blockchainConfig,
       logger: this.logger