diff --git a/buildbot/buildbot-cfg/post-commit b/buildbot/buildbot-cfg/post-commit
index 8c5a06bf38..0173fe504f 100755
--- a/buildbot/buildbot-cfg/post-commit
+++ b/buildbot/buildbot-cfg/post-commit
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 
 '''Trigger buildbot docker test build