diff --git a/kallithea/templates/files/files.html b/kallithea/templates/files/files.html
--- a/kallithea/templates/files/files.html
+++ b/kallithea/templates/files/files.html
@@ -40,6 +40,7 @@ ${self.repo_context_bar('files', c.revis
 var CACHE = {};
 var CACHE_EXPIRE = 5*60*1000; //cache for 5*60s
 //used to construct links from the search list
+var _repo_files_url = ${h.jshtml(h.url("files_home",repo_name=c.repo_name,revision='',f_path='').replace('//', '/'))};
 var url_base = ${h.js(h.url("files_home",repo_name=c.repo_name,revision='__REV__',f_path='__FPATH__'))};
 //send the nodelist request to this url
 var node_list_url = ${h.js(h.url("files_nodelist_home",repo_name=c.repo_name,revision='__REV__',f_path='__FPATH__'))};
@@ -60,11 +61,8 @@ var ypjax_links = function(){
         var el = e.currentTarget;
         var url = el.href;
 
-        var _base_url = ${h.jshtml(h.url("files_home",repo_name=c.repo_name,revision='',f_path=''))};
-        _base_url = _base_url.replace('//','/');
-
         //extract rev and the f_path from url.
-        parts = url.split(_base_url);
+        parts = url.split(_repo_files_url);
         if(parts.length != 2){
             return false;
         }
diff --git a/kallithea/tests/other/test_vcs_operations.py b/kallithea/tests/other/test_vcs_operations.py
--- a/kallithea/tests/other/test_vcs_operations.py
+++ b/kallithea/tests/other/test_vcs_operations.py
@@ -563,6 +563,9 @@ class TestVCSOperations(TestController):
                                     repo_name=testfork['git'],
                                     revision='tip',
                                     f_path='/'))
+        # check _repo_files_url that will be used to reload as AJAX
+        response.mustcontain('var _repo_files_url = ("/%s/files/");' % testfork['git'])
+
         response.mustcontain('<a class="submodule-dir" href="%s" target="_blank"><i class="icon-file-submodule"></i><span>testsubmodule @ ' % clone_url)
 
         # check that following a submodule link actually works - and redirects