diff -r c310ca40a7ee -r 2c592f43eb6b web/res/js/live-polemic.js
--- a/web/res/js/live-polemic.js	Mon Apr 15 13:04:31 2013 +0200
+++ b/web/res/js/live-polemic.js	Mon Apr 15 13:23:28 2013 +0200
@@ -229,7 +229,8 @@
         for (var _i = 0; _i < _hashes.length; _i++) {
             var _m = _hashes[_i],
                 _h = ( _m[0] == '#' ? _m : _m.substr(1) ),
-                _start = _lastpos + tweet.text.substr(_lastpos).search(_h),
+                _f = _h.replace(/(\W)/g,'\\$1'),
+                _start = _lastpos + tweet.text.substr(_lastpos).search(_f),
                 _lastpos = _start + _h.length;
             tweet.entities.push({
                 "text" : _h,