diff --git a/getWin32MaxHeap.bat b/getWin32MaxHeap.bat
index 841ab490a..f4c120565 100644
--- a/getWin32MaxHeap.bat
+++ b/getWin32MaxHeap.bat
@@ -3,5 +3,5 @@ echo This can cause high system load.
 echo To abort press CTRL+C.
 echo ***
 pause  
-java -cp classes de.anomic.server.serverSystem -m
+java -cp lib net.yacy.kelondro.util.OS -m
 pause
\ No newline at end of file