diff --git a/scripts/memory_check.py b/scripts/memory_check.py
old mode 100644
new mode 100755
index e77c9dfd..496520dd
--- a/scripts/memory_check.py
+++ b/scripts/memory_check.py
@@ -1,3 +1,4 @@
+#! /usr/bin/env python
 """
 This is a convenience script to test the speed and memory usage of Jedi with
 large libraries.