diff --git a/dynamixel_manager/src/modules/head_tracking.c b/dynamixel_manager/src/modules/head_tracking.c
index 1487fa08bad16e8c6dab3fd2226339527bf3d34f..72e786153fca490906bac68290ba6067fa835f7f 100644
--- a/dynamixel_manager/src/modules/head_tracking.c
+++ b/dynamixel_manager/src/modules/head_tracking.c
@@ -212,7 +212,7 @@ unsigned char head_tracking_init(THeadMModule *head,TMemory *memory,unsigned sho
 
   /* initialize the motion module */
   mmodule_init(&head->mmodule);
-  head->mmodule.id=MM_JOINTS;
+  head->mmodule.id=MM_HEAD;
   head->mmodule.set_period=head_tracking_set_period;
   head->mmodule.set_module=head_tracking_set_module;
   head->mmodule.pre_process=head_tracking_pre_process;