diff --git a/tests/4_container_images.sh b/tests/4_container_images.sh
index 0b7c84f..0df2676 100644
--- a/tests/4_container_images.sh
+++ b/tests/4_container_images.sh
@@ -225,7 +225,7 @@ check_4_9() {
   add_images=""
   for img in $images; do
     if docker history --format "{{ .CreatedBy }}" --no-trunc "$img" | \
-      sed '$d' | grep -q 'ADD.*in /\s$'; then
+      sed '$d' | grep -q 'ADD'; then
       if [ $fail -eq 0 ]; then
         fail=1
         info "$check_4_9"