diff --git a/HMCLPE/src/main/java/com/tungsten/hmclpe/launcher/launch/boat/BoatMinecraftActivity.java b/HMCLPE/src/main/java/com/tungsten/hmclpe/launcher/launch/boat/BoatMinecraftActivity.java
index 5e5b1fe5..314ce7d1 100644
--- a/HMCLPE/src/main/java/com/tungsten/hmclpe/launcher/launch/boat/BoatMinecraftActivity.java
+++ b/HMCLPE/src/main/java/com/tungsten/hmclpe/launcher/launch/boat/BoatMinecraftActivity.java
@@ -70,6 +70,7 @@ public void onSurfaceTextureAvailable(SurfaceTexture surface, int width, int hei
                 MCOptionUtils.load(gameLaunchSetting.game_directory);
                 MCOptionUtils.set("overrideWidth", String.valueOf((int) (width * scaleFactor)));
                 MCOptionUtils.set("overrideHeight", String.valueOf((int) (height * scaleFactor)));
+                MCOptionUtils.set("fullscreen", "false");
                 MCOptionUtils.save(gameLaunchSetting.game_directory);
 
                 BoatActivity.setBoatNativeWindow(new Surface(surface));