1 files changed, 2 insertions, 1 deletions
diff --git a/src/corelib/kernel/qpropertyprivate.h b/src/corelib/kernel/qpropertyprivate.h
index 43318f25c0..145f2c66b9 100644
--- a/src/corelib/kernel/qpropertyprivate.h
+++ b/src/corelib/kernel/qpropertyprivate.h
@@ -84,7 +84,8 @@ public:
 
     QUntypedPropertyBinding setBinding(const QUntypedPropertyBinding &newBinding,
                                        void *propertyDataPtr, void *staticObserver = nullptr,
-                                       void (*staticObserverCallback)(void *, void *) = nullptr);
+                                       void (*staticObserverCallback)(void *, void *) = nullptr,
+                                       bool (*guardCallback)(void *, void *) = nullptr);
     QPropertyBindingPrivate *binding();
 
     void evaluateIfDirty();