diff --git a/jedi/evaluate/compiled/mixed.py b/jedi/evaluate/compiled/mixed.py
index 87ba8d225..e56373ebb 100644
--- a/jedi/evaluate/compiled/mixed.py
+++ b/jedi/evaluate/compiled/mixed.py
@@ -10,6 +10,7 @@
 from jedi.cache import underscore_memoization
 from jedi.evaluate import imports
 from jedi.evaluate.context import Context
+from jedi.evaluate.cache import memoize_default
 
 
 class MixedObject(object):
@@ -101,6 +102,7 @@ def __init__(self, evaluator, mixed_object, is_instance=False):
         #return MixedName(self._evaluator, self._compiled_object, name)
 
 
+@memoize_default(evaluator_is_first_arg=True)
 def _load_module(evaluator, path, python_object):
     module = parse(
         grammar=evaluator.grammar,