diff --git a/YACReader/main_window_viewer.cpp b/YACReader/main_window_viewer.cpp
index fa356772..f04703a0 100644
--- a/YACReader/main_window_viewer.cpp
+++ b/YACReader/main_window_viewer.cpp
@@ -1159,7 +1159,7 @@ void MainWindowViewer::alwaysOnTopSwitch()
 
 void MainWindowViewer::adjustToFullSizeSwitch()
 {
-	Configuration::getConfiguration().setAdjustToFullSize(!ConfdoubleMangaPageAction->setDisablediguration::getConfiguration().getAdjustToFullSize());
+	Configuration::getConfiguration().setAdjustToFullSize(!Configuration::getConfiguration().getAdjustToFullSize());
 	viewer->updatePage();
 }