diff --git a/rhodecode/api/views/repo_api.py b/rhodecode/api/views/repo_api.py
--- a/rhodecode/api/views/repo_api.py
+++ b/rhodecode/api/views/repo_api.py
@@ -617,7 +617,7 @@ def get_repo_fts_tree(request, apiuser, 
     cache_namespace_uid = 'cache_repo.{}'.format(repo_id)
     region = rc_cache.get_or_create_region('cache_repo', cache_namespace_uid)
 
-    def compute_fts_tree(repo_id, commit_id, root_path, cache_ver):
+    def compute_fts_tree(cache_ver, repo_id, commit_id, root_path):
         return ScmModel().get_fts_data(repo_id, commit_id, root_path)
 
     try:
@@ -638,7 +638,7 @@ def get_repo_fts_tree(request, apiuser, 
             'with caching: %s[TTL: %ss]' % (
                 repo_id, commit_id, cache_on, cache_seconds or 0))
 
-        tree_files = compute_fts_tree(repo_id, commit_id, root_path, 'v1')
+        tree_files = compute_fts_tree(rc_cache.FILE_TREE_CACHE_VER, repo_id, commit_id, root_path)
         return tree_files
 
     except Exception:
diff --git a/rhodecode/apps/repository/views/repo_files.py b/rhodecode/apps/repository/views/repo_files.py
--- a/rhodecode/apps/repository/views/repo_files.py
+++ b/rhodecode/apps/repository/views/repo_files.py
@@ -272,7 +272,8 @@ class RepoFilesView(RepoAppView):
                 'rhodecode:templates/files/files_browser_tree.mako',
                 self._get_template_context(c), self.request)
 
-        return compute_file_tree('v1', self.db_repo.repo_id, commit_id, f_path, full_load)
+        return compute_file_tree(
+            rc_cache.FILE_TREE_CACHE_VER, self.db_repo.repo_id, commit_id, f_path, full_load)
 
     def _get_archive_spec(self, fname):
         log.debug('Detecting archive spec for: `%s`', fname)
diff --git a/rhodecode/lib/rc_cache/__init__.py b/rhodecode/lib/rc_cache/__init__.py
--- a/rhodecode/lib/rc_cache/__init__.py
+++ b/rhodecode/lib/rc_cache/__init__.py
@@ -47,6 +47,9 @@ from .utils import (
     FreshRegionCache, ActiveRegionCache)
 
 
+FILE_TREE_CACHE_VER = 'v2'
+
+
 def configure_dogpile_cache(settings):
     cache_dir = settings.get('cache_dir')
     if cache_dir: