diff --git a/testing/testing.conf b/testing/testing.conf
index 3d4510feb2..8bee4374f4 100755
--- a/testing/testing.conf
+++ b/testing/testing.conf
@@ -60,7 +60,7 @@ USE_FARP="yes"
 ROOTFS=$UMLTESTDIR/gentoo-fs-20090615.tar.bz2
 
 # Size of the finished root filesystem in MB
-ROOTFSSIZE=600
+ROOTFSSIZE=700
 
 # Amount of Memory to use per UML [MB].
 # If "auto" is stated 1/12 of total host ram will be used.