diff --git a/lib/core/engine.js b/lib/core/engine.js
index fe11a6fb..634f019d 100644
--- a/lib/core/engine.js
+++ b/lib/core/engine.js
@@ -189,7 +189,7 @@ class Engine {
     });
     this.registerModule('profiler', {
       events: this.events,
-      logger: this.logger,
+      logger: this.logger
     });
 
     this.contractsManager = new ContractsManager({
diff --git a/lib/modules/profiler/index.js b/lib/modules/profiler/index.js
index be33c67d..ed5f87c8 100644
--- a/lib/modules/profiler/index.js
+++ b/lib/modules/profiler/index.js
@@ -27,14 +27,14 @@ class Profiler {
   }
 
   formatParams(params) {
-    if (undefined !== params && params.length) {
-      let paramString = "(";
-      let mappedParams = params.map(param => param.type);
-      paramString += mappedParams.join(',')
-      paramString += ")";
-      return paramString;
+    if (!params || !params.length) {
+      return "()";
     }
-    return "()";
+    let paramString = "(";
+    let mappedParams = params.map(param => param.type);
+    paramString += mappedParams.join(',');
+    paramString += ")";
+    return paramString;
   }
 
   registerConsoleCommand() {