diff --git a/lib/channel.js b/lib/channel.js
index 004ab61d..4772dfe6 100644
--- a/lib/channel.js
+++ b/lib/channel.js
@@ -2877,6 +2877,7 @@ Channel.prototype.handlePm = function (user, data) {
     if (typeof data.msg !== "string" || typeof data.to !== "string") {
         return;
     }
+    data.to = data.to.toLowerCase();
 
     if (data.to === user.name) {
         user.socket.emit("errorMsg", {