diff --git a/src/corelib/kernel/qmetatype.h b/src/corelib/kernel/qmetatype.h
index c08a87efd95..1d039b6f18a 100644
--- a/src/corelib/kernel/qmetatype.h
+++ b/src/corelib/kernel/qmetatype.h
@@ -444,7 +444,7 @@ public:
 
     bool isValid() const;
     bool isRegistered() const;
-#if defined(QT_QMETATYPE_BC_COMPAT)
+#if defined(QT_QMETATYPE_BC_COMPAT) || defined(Q_QDOC)
     int id() const;
 #else
     // ### Qt 7: Remove traces of out of line version