diff --git a/src/jnet/client/gui/MapView.java b/src/jnet/client/gui/MapView.java
index 463ae19..d59a013 100644
--- a/src/jnet/client/gui/MapView.java
+++ b/src/jnet/client/gui/MapView.java
@@ -21,7 +21,9 @@ import jnet.lib.object.MapObject;
 public class MapView extends JPanel {
 
     public static List<PaintObject> paintObjects = new ArrayList<>();
-    ;
+    private BufferedImage lockImage;
+    private BufferedImage unlockImage;
+    
     private static Map map;
 
     public MapView(Map map) {
@@ -30,6 +32,13 @@ public class MapView extends JPanel {
         LogFile.printDebug("View map: " + map.getName());
         paintObjects.clear();
 
+        try {
+            lockImage = ImageIO.read(new File("img/lock.png"));
+            unlockImage = ImageIO.read(new File("img/unlock.png"));
+        } catch (IOException ex) {
+            LogFile.printErr("File not found: " + ex);
+        }
+
         loadObject(map.getId());
 
         this.addMouseMotionListener(new MapViewAction(map));
@@ -53,18 +62,7 @@ public class MapView extends JPanel {
         Graphics2D g2 = (Graphics2D) g.create();
 
         // vykresleni lock/unlock mapy
-        try {
-            BufferedImage image;
-
-            if (map.isLock()) {
-                image = ImageIO.read(new File("img/lock.png"));
-            } else {
-                image = ImageIO.read(new File("img/unlock.png"));
-            }
-            g.drawImage(image, 0, 0, this);
-        } catch (IOException ex) {
-            LogFile.printErr("File not found: " + ex);
-        }
+        g.drawImage(map.isLock() ? lockImage : unlockImage, 0, 0, this);
 
         // vykresleni objektu
         for (PaintObject paintObject : paintObjects) {