diff --git a/tools/release.sh b/tools/release.sh
index 2e1e4af1d..feba06c53 100755
--- a/tools/release.sh
+++ b/tools/release.sh
@@ -98,7 +98,7 @@ ISO=${ISO}_${CVSTAG}.iso
 ISOGZ=${ISO}.gz
 echo "Making $ISOGZ"
 
-USRMB=650
+USRMB=100
 
 USRBLOCKS="`expr $USRMB \* 1024 \* 1024 / $BS`"
 USRSECTS="`expr $USRMB \* 1024 \* 2`"