diff --git a/tests/ros1/test_topic.py b/tests/ros1/test_topic.py
index e7ffc1b..97ba430 100644
--- a/tests/ros1/test_topic.py
+++ b/tests/ros1/test_topic.py
@@ -69,7 +69,7 @@ def receive_message(message):
 
     def start_sending():
         for i in range(3):
-            msg = dict(header=Header(seq=i, tamp=Time.now(), frame_id="base"), point=dict(x=0.0, y=1.0, z=2.0))
+            msg = dict(header=Header(seq=i, stamp=Time.now(), frame_id="base"), point=dict(x=0.0, y=1.0, z=2.0))
             publisher.publish(Message(msg))
             time.sleep(0.1)