diff --git a/jedi/evaluate/base_context.py b/jedi/evaluate/base_context.py
index 8ad9a262..340e0779 100644
--- a/jedi/evaluate/base_context.py
+++ b/jedi/evaluate/base_context.py
@@ -173,14 +173,14 @@ class Context(BaseContext):
         return None
 
 
-def iterate_contexts(contexts, contextualized_node=None):
+def iterate_contexts(contexts, contextualized_node=None, is_async=False):
     """
     Calls `iterate`, on all contexts but ignores the ordering and just returns
     all contexts that the iterate functions yield.
     """
     return ContextSet.from_sets(
         lazy_context.infer()
-        for lazy_context in contexts.iterate(contextualized_node)
+        for lazy_context in contexts.iterate(contextualized_node, is_async=is_async)
     )
 
 
diff --git a/jedi/evaluate/syntax_tree.py b/jedi/evaluate/syntax_tree.py
index 122e3cf7..9b3008c7 100644
--- a/jedi/evaluate/syntax_tree.py
+++ b/jedi/evaluate/syntax_tree.py
@@ -499,7 +499,11 @@ def tree_name_to_contexts(evaluator, context, tree_name):
             types = context.predefined_names[node][tree_name.value]
         except KeyError:
             cn = ContextualizedNode(context, node.children[3])
-            for_types = iterate_contexts(cn.infer(), cn)
+            for_types = iterate_contexts(
+                cn.infer(),
+                contextualized_node=cn,
+                is_async=node.parent.type == 'async_stmt',
+            )
             c_node = ContextualizedName(context, tree_name)
             types = check_tuple_assignments(evaluator, c_node, for_types)
     elif typ == 'expr_stmt':