diff --git a/.gitea/workflows/make_png.yaml b/.gitea/workflows/make_png.yaml
index 9496f88..239ac6b 100644
--- a/.gitea/workflows/make_png.yaml
+++ b/.gitea/workflows/make_png.yaml
@@ -20,9 +20,9 @@ jobs:
           submodules: recursive
       - run: cd prev && git checkout HEAD^
       - name: Build current
-        run: cmake -S curr -B curr/build && cmake --build curr/build
+        run: cmake -S curr -B curr/build -DGLERMINAL_TEST=ON && cmake --build curr/build
       - name: Build previous
-        run: cmake -S prev -B prev/build && cmake --build prev/build
+        run: cmake -S prev -B prev/build -DGLERMINAL_TEST=ON && cmake --build prev/build
       - name: Generate PNG file for curr
         run: cd curr/build/tests && xvfb-run ./test-basic
       - name: Generate PNG file for prev