diff --git a/src/pubsub/pubsub/pubsub_library_v4.py b/src/pubsub/pubsub/pubsub_library_v4.py
index f7b32e0..85a61cf 100644
--- a/src/pubsub/pubsub/pubsub_library_v4.py
+++ b/src/pubsub/pubsub/pubsub_library_v4.py
@@ -123,15 +123,16 @@ class MinimalSubscriber(Node):
     def return_msg(self):
         return self.msg
     
-    def timer_overflow(self, time_limit=0):
+    def timer_overflow(self, time_limit=0, numer_of_timer_overflows=10):
         """Watchdog for Topic Publisher Messages\n
         ture = timer_overflow >> error 
         false = no timer_overflow >> no error"""
+        self.overflow = False
         if time_limit > 0:
             if time.time() > self.last_msg_time + time_limit:
                 self.watchdog += 1
                 self.get_logger().warn(f"Message-Watchdog triggered {self.watchdog} times")
-                if self.watchdog > 10:
+                if self.watchdog > numer_of_timer_overflows:
                     self.overflow = True
         return self.overflow