diff --git a/src/de/miaurizius/jgame2d/core/AssetSetter.java b/src/de/miaurizius/jgame2d/core/AssetSetter.java
index 9654cdb..09978d2 100644
--- a/src/de/miaurizius/jgame2d/core/AssetSetter.java
+++ b/src/de/miaurizius/jgame2d/core/AssetSetter.java
@@ -14,35 +14,35 @@ public class AssetSetter {
     }
 
     public void setObject() {
-        panel.obj[0] = new KeyObj();
+        panel.obj[0] = new KeyObj(panel);
         panel.obj[0].worldX = 23 * panel.tileSize;
         panel.obj[0].worldY = 7 * panel.tileSize;
 
-        panel.obj[1] = new KeyObj();
+        panel.obj[1] = new KeyObj(panel);
         panel.obj[1].worldX = 23 * panel.tileSize;
         panel.obj[1].worldY = 40 * panel.tileSize;
 
-        panel.obj[2] = new KeyObj();
+        panel.obj[2] = new KeyObj(panel);
         panel.obj[2].worldX = 37 * panel.tileSize;
         panel.obj[2].worldY = 7 * panel.tileSize;
 
-        panel.obj[3] = new DoorObj();
+        panel.obj[3] = new DoorObj(panel);
         panel.obj[3].worldX = 10 * panel.tileSize;
         panel.obj[3].worldY = 11 * panel.tileSize;
 
-        panel.obj[4] = new DoorObj();
+        panel.obj[4] = new DoorObj(panel);
         panel.obj[4].worldX = 8 * panel.tileSize;
         panel.obj[4].worldY = 28 * panel.tileSize;
 
-        panel.obj[5] = new DoorObj();
+        panel.obj[5] = new DoorObj(panel);
         panel.obj[5].worldX = 12 * panel.tileSize;
         panel.obj[5].worldY = 22 * panel.tileSize;
 
-        panel.obj[6] = new ChestObj();
+        panel.obj[6] = new ChestObj(panel);
         panel.obj[6].worldX = 10 * panel.tileSize;
         panel.obj[6].worldY = 7 * panel.tileSize;
 
-        panel.obj[7] = new BootsObj();
+        panel.obj[7] = new BootsObj(panel);
         panel.obj[7].worldX = 37 * panel.tileSize;
         panel.obj[7].worldY = 42 * panel.tileSize;
     }
diff --git a/src/de/miaurizius/jgame2d/core/UI.java b/src/de/miaurizius/jgame2d/core/UI.java
index 9b5313e..d4309d0 100644
--- a/src/de/miaurizius/jgame2d/core/UI.java
+++ b/src/de/miaurizius/jgame2d/core/UI.java
@@ -23,7 +23,7 @@ public class UI {
         this.panel = panel;
         arial_40 = new Font("Arial", Font.PLAIN, 40);
         arial_80B = new Font("Arial", Font.BOLD, 80);
-        keyImage = new KeyObj().image;
+        keyImage = new KeyObj(panel).image;
     }
 
     public void showMessage(String text) {
diff --git a/src/de/miaurizius/jgame2d/object/BootsObj.java b/src/de/miaurizius/jgame2d/object/BootsObj.java
index afc7ffe..301822a 100644
--- a/src/de/miaurizius/jgame2d/object/BootsObj.java
+++ b/src/de/miaurizius/jgame2d/object/BootsObj.java
@@ -1,6 +1,8 @@
 package de.miaurizius.jgame2d.object;
 
 import de.miaurizius.jgame2d.core.Boot;
+import de.miaurizius.jgame2d.core.GamePanel;
+import de.miaurizius.jgame2d.core.Utility;
 
 import javax.imageio.ImageIO;
 import java.io.FileInputStream;
@@ -9,10 +11,13 @@ import java.util.logging.Level;
 
 public class BootsObj extends SuperObject {
 
-    public BootsObj() {
+    GamePanel panel;
+
+    public BootsObj(GamePanel panel) {
+        this.panel = panel;
         name = "boots";
         try {
-            image = ImageIO.read(new FileInputStream("assets/objects/boots.png"));
+            image = Utility.scaleImage(ImageIO.read(new FileInputStream("assets/objects/boots.png")), panel.tileSize, panel.tileSize);
         } catch(IOException e) {
             Boot.logger.log(Level.SEVERE, "Could not load image", e);
         }
diff --git a/src/de/miaurizius/jgame2d/object/ChestObj.java b/src/de/miaurizius/jgame2d/object/ChestObj.java
index ca03197..8c37e46 100644
--- a/src/de/miaurizius/jgame2d/object/ChestObj.java
+++ b/src/de/miaurizius/jgame2d/object/ChestObj.java
@@ -1,6 +1,8 @@
 package de.miaurizius.jgame2d.object;
 
 import de.miaurizius.jgame2d.core.Boot;
+import de.miaurizius.jgame2d.core.GamePanel;
+import de.miaurizius.jgame2d.core.Utility;
 
 import javax.imageio.ImageIO;
 import java.io.FileInputStream;
@@ -9,10 +11,13 @@ import java.util.logging.Level;
 
 public class ChestObj extends SuperObject {
 
-    public ChestObj() {
+    GamePanel panel;
+
+    public ChestObj(GamePanel panel) {
+        this.panel = panel;
         name = "chest";
         try {
-            image = ImageIO.read(new FileInputStream("assets/objects/chest.png"));
+            image = Utility.scaleImage(ImageIO.read(new FileInputStream("assets/objects/chest.png")), panel.tileSize, panel.tileSize);
         } catch(IOException e) {
             Boot.logger.log(Level.SEVERE, "Could not load image", e);
         }
diff --git a/src/de/miaurizius/jgame2d/object/DoorObj.java b/src/de/miaurizius/jgame2d/object/DoorObj.java
index ee8cbb7..9de76fd 100644
--- a/src/de/miaurizius/jgame2d/object/DoorObj.java
+++ b/src/de/miaurizius/jgame2d/object/DoorObj.java
@@ -1,6 +1,8 @@
 package de.miaurizius.jgame2d.object;
 
 import de.miaurizius.jgame2d.core.Boot;
+import de.miaurizius.jgame2d.core.GamePanel;
+import de.miaurizius.jgame2d.core.Utility;
 
 import javax.imageio.ImageIO;
 import java.io.FileInputStream;
@@ -9,10 +11,13 @@ import java.util.logging.Level;
 
 public class DoorObj extends SuperObject {
 
-    public DoorObj() {
+    GamePanel panel;
+
+    public DoorObj(GamePanel panel) {
+        this.panel = panel;
         name = "door";
         try {
-            image = ImageIO.read(new FileInputStream("assets/objects/door.png"));
+            image = Utility.scaleImage(ImageIO.read(new FileInputStream("assets/objects/door.png")), panel.tileSize, panel.tileSize);
         } catch(IOException e) {
             Boot.logger.log(Level.SEVERE, "Could not load image", e);
         }
diff --git a/src/de/miaurizius/jgame2d/object/KeyObj.java b/src/de/miaurizius/jgame2d/object/KeyObj.java
index e95cfc3..1fed856 100644
--- a/src/de/miaurizius/jgame2d/object/KeyObj.java
+++ b/src/de/miaurizius/jgame2d/object/KeyObj.java
@@ -1,6 +1,8 @@
 package de.miaurizius.jgame2d.object;
 
 import de.miaurizius.jgame2d.core.Boot;
+import de.miaurizius.jgame2d.core.GamePanel;
+import de.miaurizius.jgame2d.core.Utility;
 
 import javax.imageio.ImageIO;
 import java.io.FileInputStream;
@@ -9,10 +11,13 @@ import java.util.logging.Level;
 
 public class KeyObj extends SuperObject {
 
-    public KeyObj() {
+    GamePanel panel;
+
+    public KeyObj(GamePanel panel) {
+        this.panel = panel;
         name = "key";
         try {
-            image = ImageIO.read(new FileInputStream("assets/objects/key.png"));
+            image = Utility.scaleImage(ImageIO.read(new FileInputStream("assets/objects/key.png")), panel.tileSize, panel.tileSize);
         } catch(IOException e) {
             Boot.logger.log(Level.SEVERE, "Could not load image", e);
         }