diff --git a/lib/channel/chat.js b/lib/channel/chat.js
index 40ab4ced..c1bdbb21 100644
--- a/lib/channel/chat.js
+++ b/lib/channel/chat.js
@@ -139,6 +139,12 @@ ChatModule.prototype.handlePm = function (user, data) {
         return;
     }
 
+    if (!user.is(Flags.U_LOGGED_IN)) {
+        return user.socket.emit("errorMsg", {
+            msg: "You must be signed in to send PMs"
+        });
+    }
+
     var reallyTo = data.to;
     data.to = data.to.toLowerCase();