diff --git a/tests/test-check-shbang.t b/tests/test-check-shbang.t
--- a/tests/test-check-shbang.t
+++ b/tests/test-check-shbang.t
@@ -5,7 +5,7 @@
 
 look for python scripts that do not use /usr/bin/env
 
-  $ testrepohg files 'set:grep(r"^#!.*?python") and not grep(r"^#!/usr/bi{1}n/env python") - **/*.t'
+  $ testrepohg files 'set:grep(r"^#!.*?python") and not grep(r"^#!/usr/bi{1}n/env (-S )?python") - **/*.t'
   [1]
 
 In tests, enforce $PYTHON and *not* /usr/bin/env python or similar: