diff --git a/main.cpp b/main.cpp
index b600ce3..795c9c2 100644
--- a/main.cpp
+++ b/main.cpp
@@ -357,9 +357,13 @@ void treatChannelOrVideo(unsigned short threadId, bool isChannel, string id, str
                          items = data["items"];
                     for(const auto& item : items)
                     {
-                        json snippet = item["snippet"]["topLevelComment"]["snippet"];
-                        string channelId = snippet["authorChannelId"]["value"];
-                        addChannelToTreat(threadId, channelId);
+                        json snippet = item["snippet"]["topLevelComment"]["snippet"],
+                             authorChannelId = snippet["authorChannelId"];
+                        if(!authorChannelId["value"].is_null())
+                        {
+                            string channelId = authorChannelId["value"];
+                            addChannelToTreat(threadId, channelId);
+                        }
                         string pageToken = snippet["nextPageToken"];
                         while(pageToken != "")
                         {