diff --git a/clang-tools-extra/test/clang-tidy/modernize-loop-convert-lowercase.cpp b/clang-tools-extra/test/clang-tidy/modernize-loop-convert-lowercase.cpp
index d1ca71ac..2d99ebb 100644
--- a/clang-tools-extra/test/clang-tidy/modernize-loop-convert-lowercase.cpp
+++ b/clang-tools-extra/test/clang-tidy/modernize-loop-convert-lowercase.cpp
@@ -1,4 +1,4 @@
-// RUN: %python %S/check_clang_tidy.py %s modernize-loop-convert %t \
+// RUN: %check_clang_tidy %s modernize-loop-convert %t \
 // RUN:   -config="{CheckOptions: [{key: modernize-loop-convert.NamingStyle, value: 'lower_case'}]}" \
 // RUN:   -- -std=c++11 -I %S/Inputs/modernize-loop-convert