diff --git a/luna.json b/luna.json
index dc67a5b7..7705415a 100644
--- a/luna.json
+++ b/luna.json
@@ -1,6 +1,6 @@
 {
     "diskguid": "00000000-0000-0000-0000-000000000000",
-    "disksize": 32,
+    "disksize": 48,
     "align": 1024,
     "iso9660": true,
     "config": "initrd/sys/config",
diff --git a/tools/make-iso.sh b/tools/make-iso.sh
index 37b3d2c4..915c39e2 100755
--- a/tools/make-iso.sh
+++ b/tools/make-iso.sh
@@ -7,6 +7,6 @@ cd $LUNA_ROOT
 
 fakeroot -u -s $LUNA_ROOT/.fakeroot -- tools/install.sh
 
-fakeroot -u -i $LUNA_ROOT/.fakeroot -- genext2fs -d base -B 4096 -b 2048 -L luna-rootfs -N 2048 build/ext2fs.bin
+fakeroot -u -i $LUNA_ROOT/.fakeroot -- genext2fs -d base -B 4096 -b 8192 -L luna-rootfs -N 2048 build/ext2fs.bin
 
 mkbootimg luna.json Luna.iso