diff --git a/run-tests.sh b/run-tests.sh
index 19424f9..da182b5 100755
--- a/run-tests.sh
+++ b/run-tests.sh
@@ -28,7 +28,7 @@ check_commitlint () {
 }
 
 check_shellcheck () {
-    find . -name "*.sh" -exec shellcheck {} \;
+    find . -name "*.sh" -exec shellcheck {} \+
 }
 
 check_all () {