diff --git a/generic/linuxrc b/generic/linuxrc
index c31a8a5..9989955 100644
--- a/generic/linuxrc
+++ b/generic/linuxrc
@@ -499,7 +499,8 @@ then
 		union_insert_dir $UNION /${NEW_ROOT}/${FS_LOCATION}
 		
 		# Make sure fstab notes livecd is mounted ro.  Makes system skip remount which fails on unionfs dirs.
-		cat /${UNION}/etc/fstab | sed -e 's|\(.*\s/\s*tmpfs\s*\)defaults\(.*\)|\1defaults,ro\2|' > /${UNION}/etc/fstab
+		sed -e 's|\(.*\s/\s*tmpfs\s*\)defaults\(.*\)|\1defaults,ro\2|' /${UNION}/etc/fstab > /${UNION}/etc/fstab.new
+		mv /${UNION}/etc/fstab.new /${UNION}/etc/fstab
 	fi
 
 	# Unpacking additional packages from NFS mount
diff --git a/genkernel b/genkernel
index da52641..9880b09 100755
--- a/genkernel
+++ b/genkernel
@@ -2,7 +2,7 @@
 # Genkernel v3
 
 PATH="/bin:/usr/bin:/sbin:/usr/sbin"
-GK_V='3.3.6'
+GK_V='3.3.7'
 
 TMPDIR='/var/tmp/genkernel'
 TODEBUGCACHE=1 # Until an error occurs or DEBUGFILE is fully qualified.