diff --git a/.github/workflows/smoke-test.yml b/.github/workflows/smoke-test.yml
index c2a41670..0c9c0f40 100644
--- a/.github/workflows/smoke-test.yml
+++ b/.github/workflows/smoke-test.yml
@@ -42,7 +42,7 @@ jobs:
           export PGHOST=localhost
           export PGUSER=postgres
           export PGPASSWORD=test1234
-          psql -h $PGHOST -U $PGUSER -c "ALTER SYSTEM SET max_connections = '100';"
+          psql -h localhost -U postgres -c "ALTER SYSTEM SET max_connections = '100';"
 
       - name: Run the smoke test
         run: |