diff --git a/uncompyle6/semantics/pysource.py b/uncompyle6/semantics/pysource.py
index 3ba751cd..8b2fcb51 100644
--- a/uncompyle6/semantics/pysource.py
+++ b/uncompyle6/semantics/pysource.py
@@ -1554,7 +1554,7 @@ class SourceWalker(GenericASTTraversal, object):
         elif lastnodetype.startswith('BUILD_SET'):
             self.write('{'); endchar = '}'
         elif lastnodetype.startswith('BUILD_MAP_UNPACK'):
-            self.write('{**'); endchar = '}'
+            self.write('{*'); endchar = '}'
         elif lastnodetype.startswith('ROT_TWO'):
             self.write('('); endchar = ')'
         else: