diff --git a/performance_measurement/check_utils.py b/performance_measurement/check_utils.py
index b0d95ccfa..1b9ab161e 100644
--- a/performance_measurement/check_utils.py
+++ b/performance_measurement/check_utils.py
@@ -1,3 +1,4 @@
+import logging
 from typing import List
 
 import kubernetes.client.models as k8s_models
@@ -89,8 +90,11 @@ def check_tolerations(
 def check_affinity(desired_affinity: dict, sts_object: k8s_models.V1StatefulSet) -> bool:
     # check if affinity match
     current_affinity = sts_object["spec"]["template"]["spec"]["affinity"]
+    if desired_affinity is None or desired_affinity == {}:
+        return current_affinity is None or current_affinity == {}
     deepdiff = DeepDiff(desired_affinity, current_affinity, ignore_order=True)
     if deepdiff:
+        logging.info("Affinity not match: %s", deepdiff)
         return False
     else:
         return True