diff --git a/scripts/qapi.py b/scripts/qapi.py
index 1fdd189c0d..58f995b07f 100644
--- a/scripts/qapi.py
+++ b/scripts/qapi.py
@@ -1678,7 +1678,7 @@ class QAPISchema(object):
                 assert False
 
     def check(self):
-        for ent in self._entity_dict.values():
+        for (name, ent) in sorted(self._entity_dict.items()):
             ent.check(self)
 
     def visit(self, visitor):