diff --git a/.github/workflows/build_test_deploy.yml b/.github/workflows/build_test_deploy.yml
index 92824a8d97..29128f4bf0 100644
--- a/.github/workflows/build_test_deploy.yml
+++ b/.github/workflows/build_test_deploy.yml
@@ -137,7 +137,7 @@ jobs:
             sbt -no-colors -DfailOnWarning compile stage
           fi
         env:
-          POSTGRES_URL: postgres://webknossos_user:secret_password@localhost:5432/webknossos
+          POSTGRES_URL: jdbc:postgres://webknossos_user:secret_password@localhost:5432/webknossos
 
 
       - name: Build webknossos-datastore (sbt)