diff --git a/pixelocr/gui/pageview.py b/pixelocr/gui/pageview.py
index 4fb4c7a..2436387 100644
--- a/pixelocr/gui/pageview.py
+++ b/pixelocr/gui/pageview.py
@@ -74,6 +74,7 @@ class PageScene(QGraphicsScene):
         shadow.setBlurRadius(20)
         shadow.setOffset(2, 2)
         self.pageItem.setGraphicsEffect(shadow)
+        self.sceneRectChanged.emit(self.sceneRect())
         self.pageItemChanged.emit(self.pageItem)
 
     def highlightAll(self):