diff --git a/src/routing_layer/topo_group_connect.c b/src/routing_layer/topo_group_connect.c
index cb1d0c0b..6c0f65b9 100644
--- a/src/routing_layer/topo_group_connect.c
+++ b/src/routing_layer/topo_group_connect.c
@@ -98,6 +98,7 @@ static int tgc_load(struct TOPO_GROUP_CONNECT* gc) {
     int self_super = 0;
     for (size_t i = 0; i < count; i++) {
         if (peers[i].node_id == group->instance->node_id) { self_super = peers[i].supernode; continue; }
+        size_t previous_count = gc->count;
         struct tgc_candidate* c = tgc_add(gc, peers[i].node_id);
         if (!c) { u_free(peers); return -1; }
         uint8_t device = peers[i].client_type;
@@ -105,6 +106,9 @@ static int tgc_load(struct TOPO_GROUP_CONNECT* gc) {
         if (node && node->timestamp) device = node->client_type;
         uint8_t kind = peers[i].supernode ? TGC_SUPER : device == CLIENT_TYPE_DESKTOP ? TGC_DESKTOP :
                        device == CLIENT_TYPE_MOBILE ? TGC_MOBILE : TGC_UNKNOWN;
+        if (kind == TGC_UNKNOWN && gc->count != previous_count)
+            DEBUG_WARN(DEBUG_CATEGORY_BGP, "group candidate skipped: group=%016llx node=%016llx device=%u no supernode role",
+                       (unsigned long long)group->group_id, (unsigned long long)c->node_id, device);
         if (c->kind != kind) {
             DEBUG_INFO(DEBUG_CATEGORY_BGP, "group candidate class: group=%016llx node=%016llx %s->%s device=%u",
                        (unsigned long long)group->group_id, (unsigned long long)c->node_id,
@@ -165,11 +169,13 @@ static void tgc_cancel_pause(struct TOPO_GROUP_CONNECT* gc) {
     gc->pause_wait = NULL; gc->paused = 0;
 }
 
+#ifdef UTUN_HAVE_STANDBY
 static void tgc_resume(void* arg) {
     struct TOPO_GROUP_CONNECT* gc = arg;
     gc->pause_wait = NULL; gc->paused = 0;
     topo_group_connect_changed(gc->group);
 }
+#endif
 
 static int tgc_pause(struct TOPO_GROUP_CONNECT* gc) {
 #ifdef UTUN_HAVE_STANDBY
@@ -179,6 +185,7 @@ static int tgc_pause(struct TOPO_GROUP_CONNECT* gc) {
         DEBUG_WARN(DEBUG_CATEGORY_BGP, "cannot wait for standby; using group retry timer");
     }
 #endif
+    (void)gc;
     return 0;
 }
 
diff --git a/tools/chatgui/transport/utun_node.cpp b/tools/chatgui/transport/utun_node.cpp
index 1944570a..965c52da 100644
--- a/tools/chatgui/transport/utun_node.cpp
+++ b/tools/chatgui/transport/utun_node.cpp
@@ -197,6 +197,8 @@ void UtunNode::runLoop() {
         return;
     }
     cfg->global.db_sync_enabled = 1;
+    cfg->global.client_type = CLIENT_TYPE_DESKTOP;
+    DEBUG_INFO(DEBUG_CATEGORY_CHAT_SYNC, "chatgui: device=desktop; supernode role is channel-specific");
     if (!m_dbPath.isEmpty())
         snprintf(cfg->global.db_path, sizeof(cfg->global.db_path), "%s", m_dbPath.toUtf8().constData());