diff --git a/contrib/inventory/ec2.py b/contrib/inventory/ec2.py
index c16e770259c..de549d29bdf 100755
--- a/contrib/inventory/ec2.py
+++ b/contrib/inventory/ec2.py
@@ -1567,5 +1567,6 @@ class Ec2Inventory(object):
             return json.dumps(data)
 
 
-# Run the script
-Ec2Inventory()
+if __name__ == '__main__':
+    # Run the script
+    Ec2Inventory()