diff --git a/ros_tcp_endpoint/subscriber.py b/ros_tcp_endpoint/subscriber.py
index c5b2eee..d1de6cf 100644
--- a/ros_tcp_endpoint/subscriber.py
+++ b/ros_tcp_endpoint/subscriber.py
@@ -44,6 +44,7 @@ def __init__(self, topic, message_class, tcp_server, queue_size=10):
         self.queue_size = queue_size
 
         qos_profile = QoSProfile(depth=queue_size)
+        qos_profile.reliability = QoSReliabilityPolicy.BEST_EFFORT
 
         # Start Subscriber listener function
         self.subscription = self.create_subscription(