diff --git a/src/commandclient.ts b/src/commandclient.ts
index 076f149..a82de00 100644
--- a/src/commandclient.ts
+++ b/src/commandclient.ts
@@ -142,7 +142,7 @@ export class CommandClient extends Client {
             }
         }
 
-        if(command.guildOnly && !(msg.channel instanceof GuildChannel)) {
+        if(command.guildOnly && msg.channel.isDMBased()) {
             msg.reply(strings.command.guildOnly);
             return;
         }