diff --git a/CHANGELOG.md b/CHANGELOG.md
index 70621f7..52c1d10 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,8 @@
 Change log
 -----------
 
+* hostapp-update-hooks: Fix bootloader update hook [Sebastian]
+
 # v2.12.7+rev1
 ## (2018-05-11)
 
diff --git a/layers/meta-resin-allwinner/recipes-support/hostapp-update-hooks/files/99-flash-bootloader b/layers/meta-resin-allwinner/recipes-support/hostapp-update-hooks/files/99-flash-bootloader
index dbb128b..7798b97 100644
--- a/layers/meta-resin-allwinner/recipes-support/hostapp-update-hooks/files/99-flash-bootloader
+++ b/layers/meta-resin-allwinner/recipes-support/hostapp-update-hooks/files/99-flash-bootloader
@@ -11,7 +11,7 @@ uboot_file="u-boot-sunxi-with-spl.bin"
 uboot_block_size=1024
 uboot_seek_blocks=8
 
-device="/dev/`$(findmnt --noheadings --canonicalize --output SOURCE /mnt/boot/ | xargs lsblk -no pkname)`"
+device="/dev/"$(findmnt --noheadings --canonicalize --output SOURCE /mnt/boot/ | xargs lsblk -no pkname)
 
 update_files="uboot"