--- a/src/main/java/com/glavsoft/rfb/protocol/ReceiverTask.java	Tue Jan 06 19:07:27 2015 +0900
+++ b/src/main/java/com/glavsoft/rfb/protocol/ReceiverTask.java	Tue Jan 06 19:29:34 2015 +0900
@@ -77,8 +77,6 @@
     private boolean firstTime = true;
     public int numberOfRectangles = 0;
     private Timer timer = null;
-    int singleWidth = 0;
-
 
     public ReceiverTask(Reader reader,
                         IRepaintController repaintController, ClipboardController clipboardController,
@@ -236,13 +234,17 @@
                     }
                 }, 0, 100);
             }
-            this.firstTime = false;
         }
 
         while (numberOfRectangles-- > 0) {
             FramebufferUpdateRectangle rect = new FramebufferUpdateRectangle();
             rect.fill(reader);
 
+            if(rfb.singleWidth == 0 && firstTime) {
+                rfb.singleWidth = rect.width;
+                this.firstTime = false;
+            }
+
             long time = System.currentTimeMillis();
             if(rfb.isTreeManager() && rfb.checkDelay)
                 System.out.println(time + " : size : " + rect.width * rect.height);