diff --git a/telegram/utils.go b/telegram/utils.go
index 525bcf9..191a55d 100644
--- a/telegram/utils.go
+++ b/telegram/utils.go
@@ -2413,7 +2413,7 @@ func (c *Client) IsGroup(chat *client.Chat) bool {
 		return false
 	}
 	typ := chat.Type.ChatTypeType()
-	return typ == client.TypeChatTypeBasicGroup
+	return typ == client.TypeChatTypeBasicGroup || typ == client.TypeChatTypeSupergroup
 }
 
 // subscribe to a Telegram ID