diff --git a/lib/modules/gasEstimator/index.js b/lib/modules/gasEstimator/index.js
index 62ff637c0..ccf34cf61 100644
--- a/lib/modules/gasEstimator/index.js
+++ b/lib/modules/gasEstimator/index.js
@@ -25,18 +25,20 @@ class GasEstimator {
           if (abiMethod.type === "constructor") {
             // already provided for us
             gasMap['constructor'] = contract.gasEstimates.creation.totalCost.toString();
-            gasCb();
-          } else if (abiMethod.type === "fallback") {
+            return gasCb(null, name, abiMethod.type);
+          } else if (abiMethod.type == "fallback") {
             gasMap['fallback'] = contract.gasEstimates.external[""].toString();
-            gasCb();
-          } else if (abiMethod.inputs === null || abiMethod.inputs === undefined || abiMethod.inputs.length === 0) {
+            return gasCb(null, name, abiMethod.type);
+          } else if (
+            (abiMethod.inputs === null || abiMethod.inputs === undefined || abiMethod.inputs.length === 0)
+          ) {
             // just run it and register it
             contractObj.methods[name]
             .apply(contractObj.methods[name], [])
             .estimateGas((err, gasAmount) => {
-              if (err) return gasCb(err);
+              if (err) return gasCb(err, name, abiMethod.type);
               gasMap[name] = gasAmount;
-              gasCb();              
+              return gasCb(null, name, abiMethod.type);              
             });
           } else {
             // async concatenate all the fuzz values and their gas cost outputs and check for equality
@@ -47,19 +49,22 @@ class GasEstimator {
                 });
               }, (err, variance) => {
                 if (err) {
-                  return gasCb(err);
+                  return gasCb(err, name, abiMethod.type);
                 } else if (_.isEqual(variance[0], variance[1]) && _.isEqual(variance[1], variance[2])) {
                   gasMap[name] = variance[0];
                 } else {
                   gasMap[name] = 'infinite';
                 }
-                gasCb();
+                return gasCb(null, name, abiMethod.type);
               });    
           }
         },
-        (err) => {
-          if (err) return cb(err);
-          cb(null, gasMap);
+        (err, name, type) => {
+          if (err) {
+            if (type === "constructor" || type === "fallback") name = type;
+            return cb(err, null, name);
+          }
+          cb(null, gasMap, null);
         }
       );
     });
diff --git a/lib/modules/profiler/index.js b/lib/modules/profiler/index.js
index 139464c28..dd34719ef 100644
--- a/lib/modules/profiler/index.js
+++ b/lib/modules/profiler/index.js
@@ -15,9 +15,10 @@ class Profiler {
     const self = this;
     let table = new asciiTable(contractName);
     table.setHeading('Function', 'Payable', 'Mutability', 'Inputs', 'Outputs', 'Gas Estimates');
-    self.gasEstimator.estimateGas(contractName, function(err, gastimates) {
+    self.gasEstimator.estimateGas(contractName, function(err, gastimates, name) {
       if (err) {
-        self.logger.error(err);
+        self.logger.error('error found in method: ', name);
+        self.logger.error(JSON.stringify(err));
         return;
       }
       contract.abiDefinition.forEach((abiMethod) => {