diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index b1e989c88..61253c5b8 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -231,7 +231,7 @@ reserve.c sync:
       curl https://gitlab.freedesktop.org/pipewire/pipewire/-/raw/master/src/tools/reserve.c > src/reserve.c
     - >-
       curl https://gitlab.freedesktop.org/pipewire/pipewire/-/raw/master/src/tools/reserve.h > src/reserve.h
-    - git diff --exit-code || echo "WARNING - reserve.{c|h} should be kept in sync with PipeWire" && exit 1
+    - git diff --exit-code || (echo "WARNING - reserve.{c|h} should be kept in sync with PipeWire" && exit 1)
   allow_failure: true
 
 spellcheck: