diff --git a/live-build/auto/build b/live-build/auto/build
index bd66e673..5a7b393f 100755
--- a/live-build/auto/build
+++ b/live-build/auto/build
@@ -1,5 +1,5 @@
 #! /bin/sh
-set -e
+set -ex
 
 export LC_ALL=C