diff --git a/pyqtgraph/graphicsItems/HistogramLUTItem.py b/pyqtgraph/graphicsItems/HistogramLUTItem.py
index 019fa3a7..e6d692e6 100644
--- a/pyqtgraph/graphicsItems/HistogramLUTItem.py
+++ b/pyqtgraph/graphicsItems/HistogramLUTItem.py
@@ -199,7 +199,7 @@ class HistogramLUTItem(GraphicsWidget):
 
     def regionChanged(self):
         if self.imageItem() is not None:
-            self.imageItem().setLevels(self.region.getRegion())
+            self.imageItem().setLevels(self.getLevels())
         self.sigLevelChangeFinished.emit(self)
 
     def regionChanging(self):