diff --git a/frontend/ui/reader/readerview.lua b/frontend/ui/reader/readerview.lua
index 2408fe439..54958faa2 100644
--- a/frontend/ui/reader/readerview.lua
+++ b/frontend/ui/reader/readerview.lua
@@ -375,7 +375,7 @@ function ReaderView:onMarginUpdate()
 end
 
 function ReaderView:onSetViewMode(new_mode)
-	self.ui.view_mode = new_mode
+	self.view_mode = new_mode
 	self.ui.document:setViewMode(new_mode)
 	self.ui:handleEvent(Event:new("UpdatePos"))
 	return true