diff --git a/pkg/connector/chatinfo.go b/pkg/connector/chatinfo.go
index 215aac1b..8edb7f90 100644
--- a/pkg/connector/chatinfo.go
+++ b/pkg/connector/chatinfo.go
@@ -124,10 +124,7 @@ func (t *TelegramClient) getGroupChatInfo(fullChat *tg.MessagesChatFull, chatID
 		},
 		CanBackfill: true,
 		ExtraUpdates: func(ctx context.Context, p *bridgev2.Portal) bool {
-			meta := p.Metadata.(*PortalMetadata)
-			changed := meta.IsSuperGroup != isMegagroup
-			meta.IsSuperGroup = isMegagroup
-			return changed
+			return p.Metadata.(*PortalMetadata).SetIsSuperGroup(isMegagroup)
 		},
 	}
 
diff --git a/pkg/connector/metadata.go b/pkg/connector/metadata.go
index eaf50aa2..08835031 100644
--- a/pkg/connector/metadata.go
+++ b/pkg/connector/metadata.go
@@ -34,6 +34,12 @@ type PortalMetadata struct {
 	MessagesTTL  int  `json:"messages_ttl,omitempty"`
 }
 
+func (pm *PortalMetadata) SetIsSuperGroup(isSupergroup bool) (changed bool) {
+	changed = pm.IsSuperGroup != isSupergroup
+	pm.IsSuperGroup = isSupergroup
+	return changed
+}
+
 type MessageMetadata struct {
 	ContentHash []byte              `json:"content_hash,omitempty"`
 	ContentURI  id.ContentURIString `json:"content_uri,omitempty"`
diff --git a/pkg/connector/sync.go b/pkg/connector/sync.go
index 0ba6ff8d..be04058e 100644
--- a/pkg/connector/sync.go
+++ b/pkg/connector/sync.go
@@ -172,6 +172,9 @@ func (t *TelegramClient) handleDialogs(ctx context.Context, dialogs tg.ModifiedM
 						},
 					},
 				},
+				ExtraUpdates: func(ctx context.Context, p *bridgev2.Portal) bool {
+					return p.Metadata.(*PortalMetadata).SetIsSuperGroup(channel.(*tg.Channel).GetMegagroup())
+				},
 			}
 			if !portal.Metadata.(*PortalMetadata).IsSuperGroup {
 				// Add the channel user