diff --git a/app/assets/javascripts/locomotive/utils/core_ext.js b/app/assets/javascripts/locomotive/utils/core_ext.js
index 2a6e4f4606..504f335b07 100644
--- a/app/assets/javascripts/locomotive/utils/core_ext.js
+++ b/app/assets/javascripts/locomotive/utils/core_ext.js
@@ -18,7 +18,7 @@
 
   String.prototype.slugify = function(sep) {
     if (typeof sep == 'undefined') sep = '_';
-    var alphaNumRegexp = new RegExp('[^a-zA-Z0-9\\' + sep + ']', 'g');
+    var alphaNumRegexp = new RegExp('[^a-zA-Z0-9а-яА-Я\\' + sep + ']', 'g');
     var avoidDuplicateRegexp = new RegExp('[\\' + sep + ']{2,}', 'g');
     return this.replace(/\s/g, sep).replace(alphaNumRegexp, '').replace(avoidDuplicateRegexp, sep).toLowerCase()
   }