diff --git a/pre-commit.sh b/pre-commit.sh
index 6c30f1a17c..f6f1504c9c 100755
--- a/pre-commit.sh
+++ b/pre-commit.sh
@@ -1,5 +1,5 @@
 if [ -z $AWX_IGNORE_BLACK ] ; then
-	python_files_changed=$(git diff --cached --name-only --diff-filter=AM | grep -E '\.py')
+	python_files_changed=$(git diff --cached --name-only --diff-filter=AM | grep -E '\.py$')
 	if [ "x$python_files_changed" != "x" ] ; then
         	black --check $python_files_changed || \
 		if [ $? != 0 ] ; then