diff --git a/src/jquery.tokeninput.js b/src/jquery.tokeninput.js
index ff4e3bc9..d5446317 100644
--- a/src/jquery.tokeninput.js
+++ b/src/jquery.tokeninput.js
@@ -732,7 +732,7 @@ $.TokenList = function (input, url_or_data, settings) {
     // Do a search and show the "searching" dropdown if the input is longer
     // than settings.minChars
     function do_search() {
-        var query = input_box.val().toLowerCase();
+        var query = input_box.val();
 
         if(query && query.length) {
             if(selected_token) {