diff --git a/total_cost.py b/total_cost.py
old mode 100644
new mode 100755
index df7ecbf..7acbe27
--- a/total_cost.py
+++ b/total_cost.py
@@ -1,4 +1,4 @@
-#/usr/bin/python
+#!/usr/bin/python
 from json.decoder import JSONDecodeError
 import json
 import re
@@ -170,4 +170,4 @@ def main(args):
     print(*ITEMS[args.query].get_build_info(),sep='\n')
     to_json()
 if __name__ == "__main__":
-    main(sys.argv[1:])
\ No newline at end of file
+    main(sys.argv[1:])