1 files changed, 3 insertions, 2 deletions
diff --git a/tests/c-lint.sh b/tests/c-lint.sh
index 7c5516d..42d185c 100755
--- a/tests/c-lint.sh
+++ b/tests/c-lint.sh
@@ -1,8 +1,9 @@
 #!/bin/sh
 
-if [ -n "$(grep -En '[a-z]+\(\) {' "$@")" ]; then
+RE='[a-z]+\(\) {'
+if grep -Eq "$RE" "$@"; then
 	echo 'Functions with no argument without explicit "void" parameter:' >&2
-	grep -En '[a-z]+\(\) {' "$@"
+	grep -En "$RE" "$@"
 	exit 1
 fi