diff --git a/Parser/asdl_c.py b/Parser/asdl_c.py
index b55b6eb1c79..1f63df9f80f 100755
--- a/Parser/asdl_c.py
+++ b/Parser/asdl_c.py
@@ -526,6 +526,7 @@ def visitModule(self, mod):
         self.emit("return;", 2)
         # Value of version: "$Revision$"
         self.emit('if (PyModule_AddStringConstant(m, "__version__", "%s") < 0)' % mod.version.value[12:-3], 1)
+        self.emit("return;", 2)
         for dfn in mod.dfns:
             self.visit(dfn)
         self.emit("}", 0)