diff --git a/.azure-pipelines/test_plan.py b/.azure-pipelines/test_plan.py
index 56604e95a46..575c735061f 100644
--- a/.azure-pipelines/test_plan.py
+++ b/.azure-pipelines/test_plan.py
@@ -823,8 +823,10 @@ def poll(self, test_plan_id, interval=60, timeout=-1, expected_state="", expecte
 
             scripts = args.scripts
             specific_param = []
-            # For KVM PR test, get test modules from pr_test_scripts.yaml, otherwise use args.scripts
-            if args.platform == "kvm":
+            # For PR test, if specify test modules explicitly, use them to run PR test.
+            # Otherwise, get test modules from pr_test_scripts.yaml.
+            explicitly_specify_test_module = args.features or args.scripts
+            if args.test_plan_type == "PR" and (not explicitly_specify_test_module):
                 args.test_set = args.test_set if args.test_set else args.topology
                 scripts, specific_param = get_test_scripts(args.test_set)
                 scripts = ",".join(scripts)