diff --git a/SysBuild/development/jdk b/SysBuild/development/jdk
index 652019a..0c986a9 100644
--- a/SysBuild/development/jdk
+++ b/SysBuild/development/jdk
@@ -100,7 +100,7 @@ mk32() {
 	rm -r jre
 	cd ..
 	PKGNAME=`ls -d jdk*`
-	PKGNAME=$PKGNAME.tbz
+	PKGNAME=$PKGNAME.vpg
 	DEVPKGNAME=`echo $PKGNAME|sed -e "s/\.tbz$/\.dev\.tbz/"`
 	MANPKGNAME=`echo $PKGNAME|sed -e "s/\.tbz$/\.man\.tbz/"`
 	PKGNAME=`echo $PKGNAME|sed -e "s/\.tbz$/\.bin\.tbz/"`
@@ -125,7 +125,7 @@ mk() {
 	rm -r jre
 	cd ..
 	PKGNAME=`ls -d jdk*`
-	PKGNAME=$PKGNAME.tbz
+	PKGNAME=$PKGNAME.vpg
 	DEVPKGNAME=`echo $PKGNAME|sed -e "s/\.tbz$/\.dev\.tbz/"`
 	MANPKGNAME=`echo $PKGNAME|sed -e "s/\.tbz$/\.man\.tbz/"`
 	PKGNAME=`echo $PKGNAME|sed -e "s/\.tbz$/\.bin\.tbz/"`