diff --git a/image_captcha/js/image_captcha_refresh.js b/image_captcha/js/image_captcha_refresh.js
index 807fa51..ff4e538 100644
--- a/image_captcha/js/image_captcha_refresh.js
+++ b/image_captcha/js/image_captcha_refresh.js
@@ -23,7 +23,7 @@
         // Send post query for getting new captcha data.
         var date = new Date();
         var baseUrl = document.location.origin;
-        var url = baseUrl + '/' + $(this).attr('href') + '?' + date.getTime();
+        var url = baseUrl.replace(/\/$/g, '') + '/' + $(this).attr('href').replace(/^\//g, '') + '?' + date.getTime();
         // Adding loader.
         $('.captcha').append('<div class="image_captcha_refresh_loader"></div>');
         $.get(