diff --git a/test/BugPoint/compile-custom.ll b/test/BugPoint/compile-custom.ll
index e9016ffb870..d152f08626f 100755
--- a/test/BugPoint/compile-custom.ll
+++ b/test/BugPoint/compile-custom.ll
@@ -1,4 +1,4 @@
-; RUN: bugpoint -load %llvmshlibdir/BugpointPasses%shlibext --compile-custom --compile-command="%s.py arg1 arg2" --output-prefix %t %s | FileCheck %s
+; RUN: bugpoint -load %llvmshlibdir/BugpointPasses%shlibext --compile-custom --compile-command="%python %s.py arg1 arg2" --output-prefix %t %s | FileCheck %s
 ; REQUIRES: loadable_module
 
 ; Test that arguments are correctly passed in --compile-command.  The output