diff --git a/src/danog/MadelineProto/Loop/Update/FeedLoop.php b/src/danog/MadelineProto/Loop/Update/FeedLoop.php
index 89b5ec1d..227ab551 100644
--- a/src/danog/MadelineProto/Loop/Update/FeedLoop.php
+++ b/src/danog/MadelineProto/Loop/Update/FeedLoop.php
@@ -220,6 +220,7 @@ class FeedLoop extends ResumableSignalLoop
 
                     $this->API->logger->logger("Not enough data: for message update $log, getting difference...", \danog\MadelineProto\Logger::VERBOSE);
                     $update = ['_' => 'updateChannelTooLong'];
+                    if ($channelId && !yield $this->API->peer_isset_async($this->API->to_supergroup($channelId))) $channelId = false;
                 }
                 break;
             default:
diff --git a/src/danog/MadelineProto/MTProto.php b/src/danog/MadelineProto/MTProto.php
index 967f53c8..703974d7 100644
--- a/src/danog/MadelineProto/MTProto.php
+++ b/src/danog/MadelineProto/MTProto.php
@@ -922,8 +922,12 @@ class MTProto extends AsyncConstruct implements TLCallback
         if (!isset($this->seqUpdater)) {
             $this->seqUpdater = new SeqLoop($this);
         }
+        $channelIds = [];
         foreach ($this->channels_state->get() as $state) {
-            $channelId = $state->getChannel();
+            $channelIds []= $state->getChannel();
+        }
+        sort($channelIds);
+        foreach ($channelIds as $channelId) {
             if (!isset($this->feeders[$channelId])) {
                 $this->feeders[$channelId] = new FeedLoop($this, $channelId);
             }
diff --git a/src/danog/MadelineProto/Magic.php b/src/danog/MadelineProto/Magic.php
index a3661910..b36fef81 100644
--- a/src/danog/MadelineProto/Magic.php
+++ b/src/danog/MadelineProto/Magic.php
@@ -132,8 +132,10 @@ class Magic
             } catch (\danog\MadelineProto\Exception $e) {
             }
             // Even an empty handler is enough to catch ctrl+c
-            Loop::onSignal(SIGINT, static function () { die(); });
-            Loop::onSignal(SIGTERM, static function () { die(); });
+            if (defined('SIGINT')) {
+                Loop::onSignal(SIGINT, static function () { die(); });
+                Loop::onSignal(SIGTERM, static function () { die(); });
+            }
             self::$inited = true;
         }
     }