diff --git a/src/modules/mavlink/orb_listener.c b/src/modules/mavlink/orb_listener.c
index 92b1b45be7..ed04882b90 100644
--- a/src/modules/mavlink/orb_listener.c
+++ b/src/modules/mavlink/orb_listener.c
@@ -838,7 +838,7 @@ uorb_receive_start(void)
 	pthread_attr_init(&uorb_attr);
 
 	/* Set stack size, needs less than 2k */
-	pthread_attr_setstacksize(&uorb_attr, 2048);
+	pthread_attr_setstacksize(&uorb_attr, 1648);
 
 	pthread_t thread;
 	pthread_create(&thread, &uorb_attr, uorb_receive_thread, NULL);