diff --git a/src/modules/stage/stage.cpp b/src/modules/stage/stage.cpp
index b7b8a51..329cf86 100644
--- a/src/modules/stage/stage.cpp
+++ b/src/modules/stage/stage.cpp
@@ -220,6 +220,9 @@ void stage_mr(String command)
     parse_arguments(args, command, 3);
     EACH_MOTOR
     {
+        if (i>3)
+            continue;
+
         displacement[i] = atol(args[i]);
         free(args[i]);
     }