diff --git a/ArduCopter/GCS_Mavlink.pde b/ArduCopter/GCS_Mavlink.pde
index aca9d9922c..4a45b181b2 100644
--- a/ArduCopter/GCS_Mavlink.pde
+++ b/ArduCopter/GCS_Mavlink.pde
@@ -1647,7 +1647,7 @@ GCS_MAVLINK::queued_param_send()
     value = vp->cast_to_float(_queued_parameter_type);
 
     char param_name[ONBOARD_PARAM_NAME_LENGTH];
-    vp->copy_name(param_name, sizeof(param_name));
+    vp->copy_name(param_name, sizeof(param_name), true);
 
     mavlink_msg_param_value_send(
         chan,
diff --git a/ArduPlane/GCS_Mavlink.pde b/ArduPlane/GCS_Mavlink.pde
index a301b9fa2c..312144a886 100644
--- a/ArduPlane/GCS_Mavlink.pde
+++ b/ArduPlane/GCS_Mavlink.pde
@@ -2000,7 +2000,7 @@ GCS_MAVLINK::queued_param_send()
     value = vp->cast_to_float(_queued_parameter_type);
 
     char param_name[ONBOARD_PARAM_NAME_LENGTH];
-    vp->copy_name(param_name, sizeof(param_name));
+    vp->copy_name(param_name, sizeof(param_name), true);
 
     mavlink_msg_param_value_send(
         chan,