diff --git a/chip-create-nand-images.sh b/chip-create-nand-images.sh
index 5df351a..f3e7c5c 100755
--- a/chip-create-nand-images.sh
+++ b/chip-create-nand-images.sh
@@ -63,7 +63,7 @@ prepare_ubi() {
   echo "[rootfs]
 mode=ubi
 vol_id=0
-$vol_spec
+$volspec
 vol_type=dynamic
 vol_name=rootfs
 vol_alignment=1