diff --git a/lib/commands/channel.js b/lib/commands/channel.js
index c3d354881..72b9d6bcd 100644
--- a/lib/commands/channel.js
+++ b/lib/commands/channel.js
@@ -254,7 +254,8 @@ var ARRAY_LINE = /^\[/;
     call back with true if the channel log has no content other than metadata
     otherwise false
 */
-Channel.isNewChannel = function (Env, channel, cb) {
+Channel.isNewChannel = function (Env, channel, _cb) {
+    var cb = Util.once(_cb);
     if (!Core.isValidId(channel)) { return void cb('INVALID_CHAN'); }
     if (channel.length !== HK.STANDARD_CHANNEL_LENGTH &&
         channel.length !== HK.ADMIN_CHANNEL_LENGTH) { return void cb('INVALID_CHAN'); }