diff --git a/export-image/04-finalise/01-run.sh b/export-image/04-finalise/01-run.sh
index 2a84173..c33de6d 100755
--- a/export-image/04-finalise/01-run.sh
+++ b/export-image/04-finalise/01-run.sh
@@ -68,7 +68,7 @@ cp "$ROOTFS_DIR/etc/rpi-issue" "$INFO_FILE"
 ROOT_DEV="$(mount | grep "${ROOTFS_DIR} " | cut -f1 -d' ')"
 
 unmount "${ROOTFS_DIR}"
-zerofree -v "${ROOT_DEV}"
+zerofree "${ROOT_DEV}"
 
 unmount_image "${IMG_FILE}"