diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a5b5242..7096a9b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -303,6 +303,8 @@ jobs:
           --health-retries=5
     env:
       DATABASE_URL: postgresql://capakraken:capakraken_test@postgres:5432/capakraken_test
+      # Playwright test-server.mjs requires an explicit test DB URL.
+      PLAYWRIGHT_DATABASE_URL: postgresql://capakraken:capakraken_test@postgres:5432/capakraken_test
       # prisma-with-env.mjs refuses to run unless DATABASE_URL's db name matches
       # the expected target; default is "capakraken", CI uses capakraken_test.
       CAPAKRAKEN_EXPECTED_DB_NAME: capakraken_test