Behavior on anchors crashes qml.exe

import Qt 4.7

Item {
	Behavior on anchors.horizontalCenter { NumberAnimation { easing.type: Easing.InOutQuad; duration: 1000 }}
}

Problem signature:
  Problem Event Name:	APPCRASH
  Application Name:	qml.exe
  Application Version:	0.0.0.0
  Application Timestamp:	4be94a2e
  Fault Module Name:	QtDeclarative4.dll
  Fault Module Version:	4.7.0.0
  Fault Module Timestamp:	4be6a955
  Exception Code:	c0000005
  Exception Offset:	000aa4b7
  OS Version:	6.1.7600.2.0.0.256.1
  Locale ID:	3081
  Additional Information 1:	0a9e
  Additional Information 2:	0a9e372d3b4ad19135b953a78882e789
  Additional Information 3:	0a9e
  Additional Information 4:	0a9e372d3b4ad19135b953a78882e789