diff --git a/_infrastructure/tests/runner.js b/_infrastructure/tests/runner.js
index 5d025e234d..dd429bd208 100644
--- a/_infrastructure/tests/runner.js
+++ b/_infrastructure/tests/runner.js
@@ -691,7 +691,7 @@ var DefinitelyTyped;
             }
             Object.defineProperty(TestResult.prototype, "success", {
                 get: function () {
-                    return this.exitCode !== 1;
+                    return this.exitCode === 0;
                 },
                 enumerable: true,
                 configurable: true
diff --git a/_infrastructure/tests/runner.ts b/_infrastructure/tests/runner.ts
index fb685ed44f..b0ad70a63a 100644
--- a/_infrastructure/tests/runner.ts
+++ b/_infrastructure/tests/runner.ts
@@ -139,7 +139,7 @@ module DefinitelyTyped.TestManager {
         exitCode:number;
 
         public get success():boolean {
-            return this.exitCode !== 1;
+            return this.exitCode === 0;
         }
     }