diff --git a/.github/workflows/ci-pollution-v2.yml b/.github/workflows/ci-pollution-v2.yml
index 22d79c4..45db596 100644
--- a/.github/workflows/ci-pollution-v2.yml
+++ b/.github/workflows/ci-pollution-v2.yml
@@ -81,6 +81,7 @@ jobs:
           X_AIRFLOW_VAR_ODH_PAGINATION_SIZE: '10000'
           X_AIRFLOW_WWW_USER_USERNAME: ${{ secrets.AIRFLOW_WWW_USER_USERNAME }}
           X_AIRFLOW_WWW_USER_PASSWORD: ${{ secrets.AIRFLOW_WWW_USER_PASSWORD }}
+          X_AIRFLOW_VAR_DATATYPE_PREFIX: ''
 
           X_AIRFLOW_VAR_DAG_POLLUTION_EXECUTION_CRONTAB: 0 4 * * *
           X_AIRFLOW_VAR_DAG_VALIDATION_EXECUTION_CRONTAB: 0 2 * * *
@@ -189,6 +190,7 @@ jobs:
   #         X_AIRFLOW_VAR_ODH_PAGINATION_SIZE: '10000'
   #         X_AIRFLOW_WWW_USER_USERNAME: ${{ secrets.AIRFLOW_WWW_USER_USERNAME }}
   #         X_AIRFLOW_WWW_USER_PASSWORD: ${{ secrets.AIRFLOW_WWW_USER_PASSWORD }}
+  #         X_AIRFLOW_VAR_DATATYPE_PREFIX: ''
   #
   #         X_AIRFLOW_VAR_DAG_POLLUTION_EXECUTION_CRONTAB: 0 4 * * *
   #         X_AIRFLOW_VAR_DAG_VALIDATION_EXECUTION_CRONTAB: 0 2 * * *