diff --git a/.github/workflows/checks.yaml b/.github/workflows/checks.yaml
index 5ed986b8..0cc908ec 100644
--- a/.github/workflows/checks.yaml
+++ b/.github/workflows/checks.yaml
@@ -38,5 +38,6 @@ jobs:
       run: |
         godot --path . --headless --import
     - name: Run tests
+      # Godot ignores script loading errors unless run with --debug.
       run: |
-        godot --path . --headless --script addons/gut/gut_cmdln.gd -gexit
+        godot --debug --path . --headless --script addons/gut/gut_cmdln.gd -gexit