diff --git a/scripts/build/lb_clean b/scripts/build/lb_clean
index 23f2f7fbd..666ffc966 100755
--- a/scripts/build/lb_clean
+++ b/scripts/build/lb_clean
@@ -71,6 +71,7 @@ do
 
 		--chroot)
 			Echo_message "Cleaning chroot"
+			${LB_ROOT_COMMAND} umount -f chroot/run > /dev/null 2>&1 || true
 			${LB_ROOT_COMMAND} umount -f chroot/sys > /dev/null 2>&1 || true
 			${LB_ROOT_COMMAND} umount -f chroot/proc/sys/fs/binfmt_misc > /dev/null 2>&1 || true
 			${LB_ROOT_COMMAND} umount -f chroot/proc > /dev/null 2>&1 || true