diff --git a/.builds/alpine.yml b/.builds/alpine.yml
index 1377f4c9..20cb8212 100644
--- a/.builds/alpine.yml
+++ b/.builds/alpine.yml
@@ -25,7 +25,7 @@ sources:
 tasks:
   - setup: |
       cd wlroots
-      meson setup build --fatal-meson-warnings --default-library=both -Dauto_features=enabled -Dxcb-errors=disabled
+      meson setup build --fatal-meson-warnings --default-library=both -Dauto_features=enabled -Dxcb-errors=disabled --buildtype=debugoptimized
   - build: |
       cd wlroots
       ninja -C build