diff --git a/processing/build/windows/make.sh b/processing/build/windows/make.sh
index c89b222cd..731a56e7c 100755
--- a/processing/build/windows/make.sh
+++ b/processing/build/windows/make.sh
@@ -58,6 +58,9 @@ fi
 
 cd bagel
 
+# clear jikespath to avoid problems if it is defined elsewhere 
+unset JIKESPATH
+
 if test -d /cygdrive/c/WINNT
 then
   # windows 2000 or nt
@@ -71,15 +74,14 @@ fi
 
 CLASSPATH=../build/windows/work/java/lib/rt.jar:../build/windows/work/java/lib/ext/comm.jar:${QT_JAVA_PATH}
 
-
 ### --- make version with serial for the application
-echo Building bagel with serial and video support
-perl make.pl SERIAL VIDEO
+echo Building bagel with serial, sonic and video support
+perl make.pl SERIAL SONIC VIDEO
 cp classes/*.class ../build/windows/work/classes/
 
 ### --- make version without serial for applet exporting
-echo Building bagel for export
-perl make.pl
+echo Building bagel for export with sonic support
+perl make.pl SONIC
 cp classes/*.class ../build/windows/work/lib/export/
 
 cd ..
diff --git a/processing/build/windows/run.sh b/processing/build/windows/run.sh
index 9c1c844fc..f814a7913 100644
--- a/processing/build/windows/run.sh
+++ b/processing/build/windows/run.sh
@@ -3,12 +3,15 @@
 if test -d /cygdrive/c/WINNT
 then
   # windows 2000 or nt
-  QT_JAVA_PATH=\\cygdrive\\c\\WINNT\\system32\\QTJava.zip
+  QT_JAVA_PATH=C:\\WINNT\\system32\\QTJava.zip
 else
   # other versions of windows, including xp
-  QT_JAVA_PATH=\\cygdrive\\c\\WINDOWS\\system32\\QTJava.zip
+  QT_JAVA_PATH=C:\\WINDOWS\\system32\\QTJava.zip
 fi
 # another alternative
 #QT_JAVA_PATH=..\\build\\shared\\lib\\qtjava.zip
 
-cd work && ./java/bin/java -cp lib\;lib\\build\;lib\\pde.jar\;lib\\kjc.jar\;lib\\oro.jar\;java\\lib\\ext\\comm.jar\;${QT_JAVA_PATH} PdeBase
+
+CLASSPATH=lib\;lib\\build\;lib\\pde.jar\;lib\\kjc.jar\;lib\\oro.jar\;java\\lib\\ext\\comm.jar\;${QT_JAVA_PATH}
+
+cd work && ./java/bin/java -cp ${CLASSPATH} PdeBase