diff --git a/utils/uvol/Makefile b/utils/uvol/Makefile
index eb7c6da9b2..8f92f82451 100644
--- a/utils/uvol/Makefile
+++ b/utils/uvol/Makefile
@@ -2,7 +2,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=uvol
 PKG_VERSION:=1.2
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_MAINTAINER:=Daniel Golle <daniel@makrotopia.org>
 PKG_LICENSE:=GPL-2.0-or-later
diff --git a/utils/uvol/files/blockdev_common.uc b/utils/uvol/files/blockdev_common.uc
index f76508657f..b14842ca28 100644
--- a/utils/uvol/files/blockdev_common.uc
+++ b/utils/uvol/files/blockdev_common.uc
@@ -95,7 +95,7 @@ let get_bootdev = function(void) {
 			bdf.seek(440);
 			let bduuid = bdf.read(4);
 			bdf.close();
-			if (uuidarg == sprintf("%x%x%x%x", ord(bduuid, 3), ord(bduuid, 2), ord(bduuid, 1), ord(bduuid, 0))) {
+			if (uuidarg == sprintf("%02x%02x%02x%02x", ord(bduuid, 3), ord(bduuid, 2), ord(bduuid, 1), ord(bduuid, 0))) {
 				uevent = sprintf("/sys/class/block/%s/uevent", bd);
 				break;
 				}