diff --git a/scripts/mkimage b/scripts/mkimage
index 9db6014004..35f7a953f6 100755
--- a/scripts/mkimage
+++ b/scripts/mkimage
@@ -192,7 +192,8 @@ fi # bootloader
   losetup -d "$LOOP"
   echo "image: creating filesystem on part2..."
   OFFSET=$(( $STORAGE_PART_START * 512 ))
-  losetup -o $OFFSET "$LOOP" "$DISK"
+  SIZELIMIT=$(( $STORAGE_SIZE * 1024 * 1024 ))
+  losetup -o $OFFSET --sizelimit $SIZELIMIT "$LOOP" "$DISK"
   mke2fs -q -t ext4 -m 0 "$LOOP"
   tune2fs -U $UUID_STORAGE "$LOOP"
   e2fsck -n "$LOOP"