maptool doesnt fit with the mouse point/cursor

==== MapTool Information ====
MapTool Version: 1.3.b87
MapTool Home...: /home/markus/.maptool
Max mem avail..: 682M
Max mem used...: 254M

==== Java Information ====
Java Vendor.: Sun Microsystems Inc.
Java Home...: /usr/lib/jvm/java-6-sun-1.6.0.26/jre
Java Version: 1.6.0_26
............: Java(TM) SE Runtime Environment (build 1.6.0_26-b03)
............: Java HotSpot(TM) Server VM (build 20.1-b02, mixed mode)


==== OS Information ====
OS Name........: Linux
OS Version.....: 3.6.2-20121025
OS Architecture: i386
PATH...........: /home/markus/bin:/usr/local/bin:/usr/bin:/bin:/usr/bin/X11:/usr/games
Number of Procs: 4

==== User Information ====
User Name: markus
User Home: /home/markus
User Dir.: /home/markus/Private/Dokumente/RPG/DSA/Tools/maptool/maptool-1.3.b87

==== Network Interfaces ====
Display Name..: wlan0
Interface Name: wlan0
Address...: fe80:0:0:0:227:10ff:fee2:4c4c%3
Address...: 192.168.1.100

Display Name..: lo
Interface Name: lo
Address...: 0:0:0:0:0:0:0:1%1
Address...: 127.0.0.1

Host Address...: 127.0.1.1
Default Gateway: 192.168.1.186

==== Locale Information ====
Country.: Deutschland
Language: Deutsch
Locale..: Deutsch (Deutschland)
Variant.:

==== Display Information ====
Number of Displays: 1
Display 1: 1366x768(-1)

==== Internet Gateway Devices ====
	No IGDs Found!