diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 9a9652e925f891850b273c2642d71689d82106cc..156e6f986ebca588cb47989fb6008c22c9c60460 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -24,7 +24,7 @@ build:native:
     paths:
       - _build
   script:
-    - meson . _build
+    - meson --werror . _build
     - ninja -C _build
 
 test:native: