diff --git a/lib/command/CommandClient.js b/lib/command/CommandClient.js
index <HASH>..<HASH> 100644
--- a/lib/command/CommandClient.js
+++ b/lib/command/CommandClient.js
@@ -230,6 +230,7 @@ class CommandClient extends Client {
             throw new Error("You have already registered a command for " + label);
         }
         options = options || {};
+        label = options.caseInsensitive === true ? label.toLowerCase() : label;
         for(var key in this.commandOptions.defaultCommandOptions) {
             if(options[key] === undefined) {
                 options[key] = this.commandOptions.defaultCommandOptions[key];
Fix insensitive command label option (#<I>)