diff --git a/src/integration-test/kotlin/de/bixilon/minosoft/gui/rendering/system/window/dummy/DummyWindow.kt b/src/integration-test/kotlin/de/bixilon/minosoft/gui/rendering/system/window/dummy/DummyWindow.kt
index 872d7b0aa..9a09cd5ed 100644
--- a/src/integration-test/kotlin/de/bixilon/minosoft/gui/rendering/system/window/dummy/DummyWindow.kt
+++ b/src/integration-test/kotlin/de/bixilon/minosoft/gui/rendering/system/window/dummy/DummyWindow.kt
@@ -1,6 +1,6 @@
 /*
  * Minosoft
- * Copyright (C) 2020-2022 Moritz Zwerger
+ * Copyright (C) 2020-2023 Moritz Zwerger
  *
  * This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
  *
@@ -13,6 +13,7 @@
 
 package de.bixilon.minosoft.gui.rendering.system.window.dummy
 
+import de.bixilon.kotlinglm.vec2.Vec2
 import de.bixilon.kotlinglm.vec2.Vec2i
 import de.bixilon.kutil.observer.DataObserver.Companion.observed
 import de.bixilon.kutil.time.TimeUtil
@@ -23,6 +24,7 @@ import de.bixilon.minosoft.gui.rendering.util.vec.vec2.Vec2iUtil.EMPTY
 import java.nio.ByteBuffer
 
 class DummyWindow : BaseWindow {
+    override val systemScale: Vec2 = Vec2(1.0f)
     override var size: Vec2i = Vec2i.EMPTY
     override var minSize: Vec2i = Vec2i.EMPTY
     override var maxSize: Vec2i = Vec2i.EMPTY