diff --git a/add_eof_newline.sh b/add_eof_newline.sh
index 0dfd88c..af88e2d 100755
--- a/add_eof_newline.sh
+++ b/add_eof_newline.sh
@@ -6,4 +6,4 @@ while IFS= read -r -d '' f; do
   if [ "$(tail -c1 "$f")" != "" ]; then
     printf '\n' >> "$f"
   fi
-done < <(git ls-files -z)
+done < <(git grep -z -I -l .)