diff --git a/prepare-root.sh b/prepare-root.sh
index 6371974..3a46b7c 100755
--- a/prepare-root.sh
+++ b/prepare-root.sh
@@ -583,6 +583,10 @@ ln -fsnr "$sysroot"/cfg/localtime "$sysroot"/etc/localtime
 rm -f "$sysroot"/etc/machine-id
 ln -fsnr "$sysroot"/cfg/machine-id "$sysroot"/etc/machine-id
 
+#---------------
+# hwdb
+chroot "$sysroot" /usr/bin/systemd-hwdb update
+
 #---------------
 # adjtime
 mv "$sysroot"/etc/adjtime "$sysroot"/usr/share/factory/cfg/adjtime