diff --git a/address.js b/address.js
index a32d735..35af357 100644
--- a/address.js
+++ b/address.js
@@ -665,7 +665,7 @@
         return;
       var key = isFinite(k.split('_').pop())? k.split('_').slice(0,-1).join('_'): k ;
       if(parts[k])
-        parsed[key] = parts[k].trim().replace(/^\s+|\s+$|[^\w\s\-#&]/g, '');
+        parsed[key] = parts[k].trim().replace(/^\s+|\s+$|[^\w\s\-#&\/]/g, '');
     });
     each(Normalize_Map, function(map,key) {
       if(parsed[key] && map[parsed[key].toLowerCase()]) {