diff --git a/.github/workflows/test_changes.yml b/.github/workflows/test_changes.yml
index bdc9c58..f84b8ad 100644
--- a/.github/workflows/test_changes.yml
+++ b/.github/workflows/test_changes.yml
@@ -53,7 +53,7 @@ jobs:
   test_installers:
     name: Test installers
     needs: list_installers
-    if: needs.list_installers.outputs.installers != ''
+    if: needs.list_installers.outputs.installers != '[]'
     runs-on: ubuntu-latest
     container:
       image: ${{matrix.os}}