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-rw-r--r--src/corelib/kernel/qpropertyprivate.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/corelib/kernel/qpropertyprivate.h b/src/corelib/kernel/qpropertyprivate.h
index d03b174a41..158fdbabb4 100644
--- a/src/corelib/kernel/qpropertyprivate.h
+++ b/src/corelib/kernel/qpropertyprivate.h
@@ -77,7 +77,7 @@ namespace QtPrivate {
// writes binding result into dataPtr
using QPropertyBindingFunction = std::function<bool(QMetaType metaType, QUntypedPropertyData *dataPtr)>;
using QPropertyObserverCallback = void (*)(QUntypedPropertyData *);
-using QPropertyBindingWrapper = bool(*)(QMetaType, QUntypedPropertyData *dataPtr, QPropertyBindingFunction);
+using QPropertyBindingWrapper = bool(*)(QMetaType, QUntypedPropertyData *dataPtr, const QPropertyBindingFunction &);
class Q_CORE_EXPORT QPropertyBindingData
{