diff --git a/src/chat/chat_member.c b/src/chat/chat_member.c
index 113cb439..174d78e1 100644
--- a/src/chat/chat_member.c
+++ b/src/chat/chat_member.c
@@ -410,10 +410,16 @@ static void on_member_route_changed(struct TOPO_GROUP* group, struct TOPO_GROUP_
     on_member_props_changed(node->node_id, NULL, group->channel_id, arg);
 }
 
-void chat_member_init(struct UTUN_INSTANCE* inst) {
-    member_sync_add_props_cbk(inst, on_member_props_changed, inst);
-    utun_add_nodeinfo_cbk(inst, on_member_route_changed, inst);
+int chat_member_init(struct UTUN_INSTANCE* inst) {
+    if (member_sync_add_props_cbk(inst, on_member_props_changed, inst) < 0) {
+        DEBUG_ERROR(DEBUG_CATEGORY_CHAT_SYNC, "chat_member: properties subscription failed"); return -1;
+    }
+    if (utun_add_nodeinfo_cbk(inst, on_member_route_changed, inst) < 0) {
+        DEBUG_ERROR(DEBUG_CATEGORY_CHAT_SYNC, "chat_member: routes subscription failed");
+        member_sync_remove_props_cbk(inst, on_member_props_changed, inst); return -1;
+    }
     DEBUG_INFO(DEBUG_CATEGORY_CHAT_SYNC, "chat_member: initialized (group properties/routes -> complete MEMBER_UPDATED)");
+    return 0;
 }
 
 void chat_member_destroy(struct UTUN_INSTANCE* inst) {
diff --git a/src/chat/chat_member.h b/src/chat/chat_member.h
index a461a848..33af7cd4 100644
--- a/src/chat/chat_member.h
+++ b/src/chat/chat_member.h
@@ -110,7 +110,8 @@ struct chat_member_radio_mute_req { struct UTUN_INSTANCE* inst; char ch_id[64];
 void chat_core_toggle_member_radio_mute_trampoline(void* arg);
 
 /* Подписки свойств/маршрутов → MEMBER_UPDATED; вызываются в uasync при init/destroy чата. */
-void chat_member_init(struct UTUN_INSTANCE* inst);
+/* Установить обе подписки0/-1;при отказе частичная регистрация снята. Вызывается один раз из chat_core_init. */
+int chat_member_init(struct UTUN_INSTANCE* inst);
 void chat_member_destroy(struct UTUN_INSTANCE* inst);
 
 /* Дополнительная диагностика карточки; online/RTT берутся только из chat_member_display.