diff --git a/src/main/resolve/floatingWindow.ts b/src/main/resolve/floatingWindow.ts
index 1d1978a..adb0557 100644
--- a/src/main/resolve/floatingWindow.ts
+++ b/src/main/resolve/floatingWindow.ts
@@ -26,6 +26,7 @@ async function createFloatingWindow(): Promise<void> {
     skipTaskbar: true,
     minimizable: false,
     maximizable: false,
+    fullscreenable: false,
     closable: false,
     webPreferences: {
       preload: join(__dirname, '../preload/index.js'),