diff --git a/meta/recipes-core/busybox/busybox-1.17.3/defconfig b/meta/recipes-core/busybox/busybox-1.17.3/defconfig
index 87e62445f0..5327a64754 100644
--- a/meta/recipes-core/busybox/busybox-1.17.3/defconfig
+++ b/meta/recipes-core/busybox/busybox-1.17.3/defconfig
@@ -567,7 +567,7 @@ CONFIG_SWAPONOFF=y
 # CONFIG_FEATURE_SWAPON_PRI is not set
 CONFIG_SWITCH_ROOT=y
 CONFIG_UMOUNT=y
-# CONFIG_FEATURE_UMOUNT_ALL is not set
+CONFIG_FEATURE_UMOUNT_ALL=y
 
 #
 # Common options for mount/umount
diff --git a/meta/recipes-core/busybox/busybox_1.17.3.bb b/meta/recipes-core/busybox/busybox_1.17.3.bb
index c5fbe9c7b0..28342feaf0 100644
--- a/meta/recipes-core/busybox/busybox_1.17.3.bb
+++ b/meta/recipes-core/busybox/busybox_1.17.3.bb
@@ -1,5 +1,5 @@
 require busybox.inc
-PR = "r1"
+PR = "r2"
 
 SRC_URI = "http://www.busybox.net/downloads/busybox-${PV}.tar.bz2;name=tarball \
            file://udhcpscript.patch \