diff --git a/goto.py b/goto.py
index f3a86a7..53ab28d 100644
--- a/goto.py
+++ b/goto.py
@@ -56,6 +56,11 @@ def _make_code(code, codestring):
     except AttributeError:
         pass
 
+    try:
+        args.insert(1, code.co_posonlyargcount)  # PY3
+    except AttributeError:
+        pass
+
     return types.CodeType(*args)