diff --git a/.githooks/pre-commit b/.githooks/pre-commit
index 25e4bafd3..4c127c3d4 100755
--- a/.githooks/pre-commit
+++ b/.githooks/pre-commit
@@ -15,7 +15,7 @@ exec 1>&2
 tmpdir=$(mktemp -d repo-XXXXXXXX)
 trap "rm -rf $tmpdir" EXIT INT
 
-modified_files=$(git diff --cached --name-only --diff-filter=AM $against | sed -nE "/.*\.(cpp|cc|cxx|c|h|hpp|lcp)/p")
+modified_files=$(git diff --cached --name-only --diff-filter=AM $against | sed -nE "/.*\.(cpp|cc|cxx|c|h|hpp|lcp)$/p")
 for file in $modified_files; do
   echo "Checking $file..."