diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 3e6e31a3c..19329e312 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -75,6 +75,7 @@ jobs:
         env:
           POSTGRES_USER: danbooru
           POSTGRES_PASSWORD: danbooru
+          PGDATA: /tmp
 
     steps:
     - name: Setup tmate session