diff --git a/clone.sh b/clone.sh
index 7972516..e5d0531 100755
--- a/clone.sh
+++ b/clone.sh
@@ -27,7 +27,7 @@
 # is triggered manually from the buider job itself.
 #
 
-set -e
+set -ex
 
 . $(dirname $0)/util_git.sh