diff --git a/lib/module.js b/lib/module.js
index bbb1556bb8..bf90c9692e 100644
--- a/lib/module.js
+++ b/lib/module.js
@@ -429,7 +429,7 @@ Module.prototype._compile = function(content, filename) {
   var compiledWrapper = runInThisContext(wrapper, filename, true);
   if (global.v8debug) {
     if (!resolvedArgv) {
-      resolvedArgv = Module._resolveFilename(process.argv[1], null)[1];
+      resolvedArgv = Module._resolveFilename(process.argv[1], null);
     }
 
     // Set breakpoint on module start