diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index fd47a4b9..7dc7e33f 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -306,7 +306,7 @@ armv7-release-debian-build:
     FDO_DISTRIBUTION_TAG: "2023-08-02.0"
     # Don't build documentation since installing the required tools massively
     # increases the VM image (and therefore container) size.
-    MESON_ARGS: "--fatal-meson-warnings -Ddocumentation=false"
+    MESON_ARGS: "--fatal-meson-warnings -Dwerror=true -Ddocumentation=false"
 
 .freebsd-x86_64:
   extends: