diff --git a/tests/system-test/7-tmq/subscribeDb3.py b/tests/system-test/7-tmq/subscribeDb3.py
index 22004a95f121ba9ac923086834a5b116a24231d9..5b5326cfba2a84bf4ca1e120fc1d611a57f5274b 100644
--- a/tests/system-test/7-tmq/subscribeDb3.py
+++ b/tests/system-test/7-tmq/subscribeDb3.py
@@ -10,6 +10,7 @@ from util.log import *
 from util.sql import *
 from util.cases import *
 from util.dnodes import *
+sys.path.append("./7-tmq")
 from tmqCommon import *
 
 class TDTestCase: