diff --git a/.github/workflows/integration-tests.yml b/.github/workflows/integration-tests.yml
index 9fa82c7..696e80e 100644
--- a/.github/workflows/integration-tests.yml
+++ b/.github/workflows/integration-tests.yml
@@ -58,22 +58,21 @@ jobs:
     - name: Get PostgreSQL connection details
       id: pg_connection
       run: |
-        # Get container IP address
+        # Get container IP address from Docker bridge network
+        # This is needed because the runner itself is in a Docker container
         CONTAINER_IP=$(docker inspect -f '{{range.NetworkSettings.Networks}}{{.IPAddress}}{{end}}' relspec-test-postgres)
-        echo "Container IP: $CONTAINER_IP"
 
-        # If container IP exists, use it with port 5432 (internal port)
-        # Otherwise fall back to localhost:5439
-        if [ -n "$CONTAINER_IP" ]; then
-          echo "Using container IP: $CONTAINER_IP:5432"
-          echo "pg_host=$CONTAINER_IP" >> $GITHUB_OUTPUT
-          echo "pg_port=5432" >> $GITHUB_OUTPUT
-        else
-          echo "Using localhost:5439"
-          echo "pg_host=localhost" >> $GITHUB_OUTPUT
-          echo "pg_port=5439" >> $GITHUB_OUTPUT
+        if [ -z "$CONTAINER_IP" ]; then
+          echo "ERROR: Could not get container IP address"
+          docker inspect relspec-test-postgres
+          exit 1
         fi
 
+        echo "Container IP: $CONTAINER_IP"
+        echo "Using container IP: $CONTAINER_IP:5432"
+        echo "pg_host=$CONTAINER_IP" >> $GITHUB_OUTPUT
+        echo "pg_port=5432" >> $GITHUB_OUTPUT
+
         echo ""
         echo "=== Testing connection from inside container ==="
         docker exec relspec-test-postgres psql -U relspec -d relspec_test -c "SELECT version();"