diff --git a/.env.example b/.env.example
index 79052f5..62860b1 100644
--- a/.env.example
+++ b/.env.example
@@ -49,6 +49,7 @@ PYCSW_URL=http://localhost/csw
 # SCHEMAS: ckan2pycsw/model/dataset.py - Dataset type
 PYCSW_CKAN_SCHEMA=iso19139_geodcatap
 PYCSW_OUPUT_SCHEMA=iso19139_inspire
+PYCSW_CRON_DAYS_INTERVAL=2
 
 # CKAN databases
 POSTGRES_USER=ckan
diff --git a/ckan-pycsw/Dockerfile b/ckan-pycsw/Dockerfile
index 6460b56..e6fe7f3 100644
--- a/ckan-pycsw/Dockerfile
+++ b/ckan-pycsw/Dockerfile
@@ -9,8 +9,9 @@ ENV PYCSW_CONFIG=${APP_DIR}/pycsw.conf
 ENV CKAN_URL=http://localhost:5000/
 ENV PYCSW_PORT=8000
 ENV PYCSW_URL=http://localhost:${PYCSW_PORT}/
-ENV DEV_MODE: False
+ENV DEV_MODE=False
 ENV TIMEOUT=300
+ENV PYCSW_CRON_DAYS_INTERVAL=2
 WORKDIR ${APP_DIR}
 
 COPY pycsw/conf/pycsw.conf.template pycsw/entrypoint.sh .