diff --git a/scripts/qapi-introspect.py b/scripts/qapi-introspect.py
index 541644e350..fb72c61d02 100644
--- a/scripts/qapi-introspect.py
+++ b/scripts/qapi-introspect.py
@@ -64,7 +64,7 @@ class QAPISchemaGenIntrospectVisitor(QAPISchemaVisitor):
         # generate C
         # TODO can generate awfully long lines
         jsons.extend(self._jsons)
-        name = prefix + 'qmp_schema_json'
+        name = c_name(prefix, protect=False) + 'qmp_schema_json'
         self.decl = mcgen('''
 extern const char %(c_name)s[];
 ''',