diff --git a/lib/vm.js b/lib/vm.js
index 73359c1b68..4869d36880 100644
--- a/lib/vm.js
+++ b/lib/vm.js
@@ -18,9 +18,10 @@ const realRunInContext = Script.prototype.runInContext;
 
 Script.prototype.runInThisContext = function(options) {
   if (options && options.breakOnSigint) {
-    return sigintHandlersWrap(() => {
+    const realRunInThisContextScript = () => {
       return realRunInThisContext.call(this, options);
-    });
+    };
+    return sigintHandlersWrap(realRunInThisContextScript);
   } else {
     return realRunInThisContext.call(this, options);
   }
@@ -28,9 +29,10 @@ Script.prototype.runInThisContext = function(options) {
 
 Script.prototype.runInContext = function(contextifiedSandbox, options) {
   if (options && options.breakOnSigint) {
-    return sigintHandlersWrap(() => {
+    const realRunInContextScript = () => {
       return realRunInContext.call(this, contextifiedSandbox, options);
-    });
+    };
+    return sigintHandlersWrap(realRunInContextScript);
   } else {
     return realRunInContext.call(this, contextifiedSandbox, options);
   }