diff --git a/airflow/gcp/example_dags/example_mlengine.py b/airflow/gcp/example_dags/example_mlengine.py
index 203e7f2f7347a..6df050a98c639 100644
--- a/airflow/gcp/example_dags/example_mlengine.py
+++ b/airflow/gcp/example_dags/example_mlengine.py
@@ -145,7 +145,7 @@
 
     prediction = MLEngineBatchPredictionOperator(
         task_id="prediction",
-        project_id="polidea-airflow",
+        project_id=PROJECT_ID,
         job_id="prediciton-{{ ts_nodash }}-{{ params.model_name }}",
         region="us-central1",
         model_name=MODEL_NAME,