diff --git a/translator/testFiles/kotlin_lib.js b/translator/testFiles/kotlin_lib.js
index 0269082d5ac..bea3f50db96 100644
--- a/translator/testFiles/kotlin_lib.js
+++ b/translator/testFiles/kotlin_lib.js
@@ -475,6 +475,7 @@
         result.compare = function(el1, el2) {
             return f(el1, el2);
         };
+        return result;
     };
 
     Kotlin.collectionsMax = function (col, comp) {