diff --git a/libvirt-check-trim.py b/libvirt-check-trim.py
index 0b0c73e..1f35948 100644
--- a/libvirt-check-trim.py
+++ b/libvirt-check-trim.py
@@ -1,3 +1,4 @@
+#!/usr/bin/python
 # Check if all libvirt domains are prepared for TRIM/fstrim
 
 from __future__ import division, print_function