diff --git a/src/renderer/main.ts b/src/renderer/main.ts
index 9878e88d..33d14cb5 100644
--- a/src/renderer/main.ts
+++ b/src/renderer/main.ts
@@ -59,7 +59,7 @@ void getSetting().then(setting => {
   }
   window.i18n.setLanguage(setting['common.langId'])
 
-  if ((document.body.clientHeight > window.screen.availHeight || document.body.clientWidth > window.screen.availWidth) && setting['common.windowSizeId'] > 1) {
+  if (!setting['common.startInFullscreen'] && (document.body.clientHeight > window.screen.availHeight || document.body.clientWidth > window.screen.availWidth) && setting['common.windowSizeId'] > 1) {
     void updateSetting({ 'common.windowSizeId': 1 })
   }