diff --git a/packages/core/src/apextest/TriggerApexTests.ts b/packages/core/src/apextest/TriggerApexTests.ts
index c2d842ce1..96075823d 100644
--- a/packages/core/src/apextest/TriggerApexTests.ts
+++ b/packages/core/src/apextest/TriggerApexTests.ts
@@ -135,7 +135,7 @@ export default class TriggerApexTests {
             testResult = this.removeDuplicateTestListing(testResult);
 
             //Write Test Results to file
-            let jsonOutput = {};
+            let jsonOutput = undefined;
             try
             {
               jsonOutput = this.writeTestOutput(testResult);