diff --git a/django/core/cache/backends/memcached.py b/django/core/cache/backends/memcached.py
index 64d1c41dc5..19e8b02f74 100644
--- a/django/core/cache/backends/memcached.py
+++ b/django/core/cache/backends/memcached.py
@@ -86,7 +86,7 @@ class BaseMemcachedCache(BaseCache):
         self._cache.delete(key)
 
     def get_many(self, keys, version=None):
-        new_keys = map(lambda x: self.make_key(x, version=version), keys)
+        new_keys = [self.make_key(x, version=version) for x in keys]
         ret = self._cache.get_multi(new_keys)
         if ret:
             _ = {}