diff --git a/lib/cinder b/lib/cinder
index 1b6a956..4df7de8 100644
--- a/lib/cinder
+++ b/lib/cinder
@@ -375,17 +375,17 @@
         get_or_create_endpoint \
             "volume" \
             "$REGION_NAME" \
-            "$CINDER_SERVICE_PROTOCOL://$CINDER_SERVICE_HOST:$CINDER_SERVICE_PORT/v1/\$(tenant_id)s" \
-            "$CINDER_SERVICE_PROTOCOL://$CINDER_SERVICE_HOST:$CINDER_SERVICE_PORT/v1/\$(tenant_id)s" \
-            "$CINDER_SERVICE_PROTOCOL://$CINDER_SERVICE_HOST:$CINDER_SERVICE_PORT/v1/\$(tenant_id)s"
+            "$CINDER_SERVICE_PROTOCOL://$CINDER_SERVICE_HOST:$CINDER_SERVICE_PORT/v1/\$(project_id)s" \
+            "$CINDER_SERVICE_PROTOCOL://$CINDER_SERVICE_HOST:$CINDER_SERVICE_PORT/v1/\$(project_id)s" \
+            "$CINDER_SERVICE_PROTOCOL://$CINDER_SERVICE_HOST:$CINDER_SERVICE_PORT/v1/\$(project_id)s"
 
         get_or_create_service "cinderv2" "volumev2" "Cinder Volume Service V2"
         get_or_create_endpoint \
             "volumev2" \
             "$REGION_NAME" \
-            "$CINDER_SERVICE_PROTOCOL://$CINDER_SERVICE_HOST:$CINDER_SERVICE_PORT/v2/\$(tenant_id)s" \
-            "$CINDER_SERVICE_PROTOCOL://$CINDER_SERVICE_HOST:$CINDER_SERVICE_PORT/v2/\$(tenant_id)s" \
-            "$CINDER_SERVICE_PROTOCOL://$CINDER_SERVICE_HOST:$CINDER_SERVICE_PORT/v2/\$(tenant_id)s"
+            "$CINDER_SERVICE_PROTOCOL://$CINDER_SERVICE_HOST:$CINDER_SERVICE_PORT/v2/\$(project_id)s" \
+            "$CINDER_SERVICE_PROTOCOL://$CINDER_SERVICE_HOST:$CINDER_SERVICE_PORT/v2/\$(project_id)s" \
+            "$CINDER_SERVICE_PROTOCOL://$CINDER_SERVICE_HOST:$CINDER_SERVICE_PORT/v2/\$(project_id)s"
     fi
 }