diff --git a/tools/release.sh b/tools/release.sh
index 01843949a..766e8bd32 100755
--- a/tools/release.sh
+++ b/tools/release.sh
@@ -217,7 +217,7 @@ do
 done
 
 if [ ! "$ZIP" ]
-then	ZIP=gzip
+then	ZIP=bzip2
 fi
 
 if [ $PACKAGES -ne 0 ]