diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index 74daa4b9..8194f425 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -57,10 +57,10 @@ jobs:
       run: |
         mkdir _build
         pushd _build
-        ../configure
+        ../configure  --enable-internal-checks --enable-asan
         popd
       env:
-        CFLAGS: -fsanitize=undefined -fsanitize-undefined-trap-on-error -fsanitize=address -O2 -Wp,-D_FORTIFY_SOURCE=2
+        CFLAGS: -O2 -Wp,-D_FORTIFY_SOURCE=2
     - name: Build flatpak
       run: make -C _build -j $(getconf _NPROCESSORS_ONLN)
     - name: Run tests