diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 0cc7209..3cea94f 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -40,6 +40,8 @@ jobs:
           - 32
           - 33
     runs-on: ubuntu-latest
+    env:
+      DISPLAY: ':99.0'
     steps:
       - name: Checkout
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2