diff --git a/.github/actions/setup-postgres-linux/action.yml b/.github/actions/setup-postgres-linux/action.yml
index 8e75577d..9e49c4ae 100644
--- a/.github/actions/setup-postgres-linux/action.yml
+++ b/.github/actions/setup-postgres-linux/action.yml
@@ -10,6 +10,6 @@ runs:
       shell: bash
 
     - name: Configure the database
-      run: sudo su - postgres "psql -f ./setup_test_database.sql"
+      run: sudo -u postgres psql -f setup_test_database.sql
       shell: bash
       working-directory: ./scripts