diff --git a/jedi/api/__init__.py b/jedi/api/__init__.py
index 841375f5..76525445 100644
--- a/jedi/api/__init__.py
+++ b/jedi/api/__init__.py
@@ -247,7 +247,7 @@ class Script(object):
                     for names_dict in s.names_dicts(search_global=False):
                         names += chain.from_iterable(names_dict.values())
 
-                    names = filter_definition_names(names)
+                    names = filter_definition_names(names, self._parser.user_stmt())
                 for c in names:
                     completions.append((c, s))
         return completions
diff --git a/jedi/evaluate/finder.py b/jedi/evaluate/finder.py
index 6b0d9b5c..9ffb2034 100644
--- a/jedi/evaluate/finder.py
+++ b/jedi/evaluate/finder.py
@@ -32,7 +32,7 @@ from jedi.evaluate import helpers
 from jedi.evaluate.cache import memoize_default
 
 
-def filter_definition_names(names, position=None):
+def filter_definition_names(names, origin, position=None):
     # Just calculate the scope from the first
     stmt = names[0].get_definition()
     scope = stmt.get_parent_scope()
@@ -45,7 +45,7 @@ def filter_definition_names(names, position=None):
     names = list(names)
     for name in names:
         if name.value.startswith('__') and not name.value.endswith('__'):
-            if filter_private_variable(scope, name):
+            if filter_private_variable(scope, origin):
                 names.remove(name)
 
     if not (isinstance(scope, er.FunctionExecution)
@@ -106,7 +106,7 @@ class NameFinder(object):
         except KeyError:
             return []
 
-        names = filter_definition_names(names, position)
+        names = filter_definition_names(names, self.name_str, position)
 
         name_scope = None
         # Only the names defined in the last position are valid definitions.
diff --git a/test/completion/classes.py b/test/completion/classes.py
index 2f4f7131..82cbf99c 100644
--- a/test/completion/classes.py
+++ b/test/completion/classes.py
@@ -388,6 +388,8 @@ class PrivateVar():
         self.__var = 1
         #? int()
         self.__var
+        #? ['__var']
+        self.__var
 #? []
 PrivateVar().__var
 #?