diff --git a/posix-configs/SITL/init/test/cmd_template.in b/posix-configs/SITL/init/test/cmd_template.in
index d12ab23442..3ae9b82d0a 100644
--- a/posix-configs/SITL/init/test/cmd_template.in
+++ b/posix-configs/SITL/init/test/cmd_template.in
@@ -15,7 +15,7 @@ pwm_out_sim start
 
 ver all
 
-mavlink start -x -u 14556 -r 2000000 -p
+mavlink start -x -u 14556 -r 2000000
 mavlink boot_complete
 
 @cmd_name@ start
diff --git a/posix-configs/SITL/init/test/test_mavlink b/posix-configs/SITL/init/test/test_mavlink
index 174ab2cf08..57afc0ca5e 100644
--- a/posix-configs/SITL/init/test/test_mavlink
+++ b/posix-configs/SITL/init/test/test_mavlink
@@ -15,7 +15,7 @@ pwm_out_sim start
 
 ver all
 
-mavlink start -x -u 14556 -r 2000000 -p
+mavlink start -x -u 14556 -r 2000000
 mavlink boot_complete
 
 mavlink_tests