diff --git a/src/NadekoBot/Modules/Administration/Administration.cs b/src/NadekoBot/Modules/Administration/Administration.cs
index a958a5b9..0ca8d78a 100644
--- a/src/NadekoBot/Modules/Administration/Administration.cs
+++ b/src/NadekoBot/Modules/Administration/Administration.cs
@@ -638,8 +638,11 @@ namespace NadekoBot.Modules.Administration
         public async Task Prune(IUserMessage umsg)
         {
             var channel = (ITextChannel)umsg.Channel;
+            
             var user = channel.Guild.GetCurrentUser();
-            var enumerable = (await umsg.Channel.GetMessagesAsync()).Where(x => x.Author.Id == user.Id);
+            
+            var enumerable = (await umsg.Channel.GetMessagesAsync()).AsEnumerable();
+            enumerable = enumerable.Where(x => x.Author.Id == user.Id);
             await umsg.Channel.DeleteMessagesAsync(enumerable);
         }