diff --git a/core/Messenger.h b/core/Messenger.h
index d2fa8945..634b1c8b 100644
--- a/core/Messenger.h
+++ b/core/Messenger.h
@@ -188,6 +188,10 @@ void m_callback_namechange(void (*function)(int, uint8_t *, uint16_t));
     you are not responsible for freeing newstatus */
 void m_callback_statusmessage(void (*function)(int, uint8_t *, uint16_t));
 
+/* set the callback for status type changes
+    function(int friendnumber, USERSTATUS kind) */
+void m_callback_userstatus(void (*function)(int, USERSTATUS))
+
 /* set the callback for read receipts
     function(int friendnumber, uint32_t receipt)
     if you are keeping a record of returns from m_sendmessage,