diff --git a/pr_agent/servers/utils.py b/pr_agent/servers/utils.py
index 4b1ea80b3a..2169eb59bb 100644
--- a/pr_agent/servers/utils.py
+++ b/pr_agent/servers/utils.py
@@ -64,7 +64,7 @@ def __refresh(self):
         if self.__ttl is None:
             return
         request_time = self.__time()
-        if request_time - self.__last_refresh > self.__refresh_interval:
+        if request_time - self.__last_refresh < self.__refresh_interval:
             return
         to_delete = [key for key, key_time in self.__key_times.items() if request_time - key_time > self.__ttl]
         for key in to_delete: