diff --git a/coreapi/linphonecore.c b/coreapi/linphonecore.c
index 63f538acf..cf1b39770 100644
--- a/coreapi/linphonecore.c
+++ b/coreapi/linphonecore.c
@@ -5181,11 +5181,6 @@ void linphone_core_set_user_data(LinphoneCore *lc, void *userdata){
 	lc->data=userdata;
 }
 
-/**
- * Returns the maximum transmission unit size in bytes.
- *
- * @ingroup media_parameters
-**/
 int linphone_core_get_mtu(const LinphoneCore *lc){
 	return lc->net_conf.mtu;
 }
diff --git a/include/linphone/core.h b/include/linphone/core.h
index 26e6125f6..94988c67c 100644
--- a/include/linphone/core.h
+++ b/include/linphone/core.h
@@ -3425,6 +3425,10 @@ LINPHONE_PUBLIC void linphone_core_stop_dtmf(LinphoneCore *lc);
 
 LINPHONE_PUBLIC int linphone_core_get_current_call_duration(const LinphoneCore *lc);
 
+/**
+ * Returns the maximum transmission unit size in bytes.
+ * @ingroup media_parameters
+**/
 LINPHONE_PUBLIC int linphone_core_get_mtu(const LinphoneCore *lc);
 
 /**