diff --git a/jedi/evaluate/syntax_tree.py b/jedi/evaluate/syntax_tree.py
index dc7ea0a7..720ea349 100644
--- a/jedi/evaluate/syntax_tree.py
+++ b/jedi/evaluate/syntax_tree.py
@@ -255,7 +255,8 @@ def eval_atom(context, atom):
             array_node_c = array_node.children
         except AttributeError:
             array_node_c = []
-        if c[0] == '{' and (array_node == '}' or ':' in array_node_c):
+        if c[0] == '{' and (array_node == '}' or ':' in array_node_c or
+                            '**' in array_node_c):
             context = iterable.DictLiteralContext(context.evaluator, context, atom)
         else:
             context = iterable.SequenceLiteralContext(context.evaluator, context, atom)
diff --git a/test/completion/types.py b/test/completion/types.py
index 19621b29..a6aca08b 100644
--- a/test/completion/types.py
+++ b/test/completion/types.py
@@ -131,3 +131,11 @@ set_t2 = set()
 
 #? ['clear', 'copy']
 set_t2.c
+
+# -----------------
+# pep 448 unpacking generalizations
+# -----------------
+# python >= 3.5
+
+#? dict()
+{**d}