diff --git a/.github/workflows/cmake.yml b/.github/workflows/cmake.yml
index c28bcb00..18b96c90 100644
--- a/.github/workflows/cmake.yml
+++ b/.github/workflows/cmake.yml
@@ -387,6 +387,7 @@ jobs:
         if: startsWith(matrix.config.name, 'Ubuntu')
         env:
           DISPLAY: ":1"
+          QT_DEBUG_PLUGINS: "1"
         run: |
           echo starting Xvfb
           Xvfb :1 &