diff --git a/jedi/parser/utils.py b/jedi/parser/utils.py
index d64e03f5..9098b095 100644
--- a/jedi/parser/utils.py
+++ b/jedi/parser/utils.py
@@ -160,7 +160,6 @@ class ParserPickling(object):
                 # 0 means version is not defined (= always delete cache):
                 if data.get('version', 0) != self.version:
                     self.clear_cache()
-                    self.__index = {}
                 else:
                     self.__index = data['index']
         return self.__index
@@ -180,6 +179,7 @@ class ParserPickling(object):
 
     def clear_cache(self):
         shutil.rmtree(self._cache_directory())
+        self.__index = {}
 
     def _get_hashed_path(self, path):
         return self._get_path('%s.pkl' % hashlib.md5(path.encode("utf-8")).hexdigest())