diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 2d6559b..0036b4f 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -19,6 +19,6 @@ jobs:
 
     - name: Build
       run: |
-        meson setup build # enable -Dwerror=true later
+        meson setup -Dwerror=true build
         meson configure build
         meson compile -C build