diff --git a/dynamixel_manager/include/modules/action_mm_registers.h b/dynamixel_manager/include/modules/action_mm_registers.h
index 3dbe77b082bcdf80922d7e85fb3fabe877c2f4c7..847f0534efaf38bafcf6ac2c3b8e00ee1fec57e9 100644
--- a/dynamixel_manager/include/modules/action_mm_registers.h
+++ b/dynamixel_manager/include/modules/action_mm_registers.h
@@ -3,8 +3,11 @@
 
 #define RAM_ACTION_MM_LENGTH                 2
 
-#define ACTION_MM_PAGE_OFFSET                0
-#define ACTION_MM_CNTRL_OFFSET               1
+#define ACTION_MM_CONTROL_OFFSET             0
+#define ACTION_MM_PAGE_OFFSET                1
+  #define ACTION_MM_START                    0x01
+  #define ACTION_MM_STOP                     0x02
+  #define ACTION_MM_RUNNING                  0x80
 
 #endif