diff -r 083b0d8e220a -r c5830bce1c23 src/main.cpp
--- a/src/main.cpp	Thu Jul 14 16:47:59 2022 +0300
+++ b/src/main.cpp	Wed Jul 20 12:59:07 2022 +0300
@@ -86,6 +86,7 @@
 	qRegisterMetaTypeStreamOperators<Libraries>("Libraries");
 	qRegisterMetaTypeStreamOperators<gl::RenderStyle>();
 	qRegisterMetaTypeStreamOperators<QMdiArea::ViewMode>();
+	qRegisterMetaTypeStreamOperators<Qt::ToolButtonStyle>();
 #endif
 }
 
@@ -494,6 +495,7 @@
 		updateRenderPreferences(&ui, &renderPreferences, &documents);
 		ui.mdiArea->setViewMode(setting<Setting::ViewMode>());
 		ui.retranslateUi(&mainWindow);
+		mainWindow.setToolButtonStyle(setting<Setting::ToolButtonStyle>());
 		settingsChanged.emit();
 	};
 	const auto addRecentlyOpenedFile = [&](const QString& path){