diff --git a/bin/cdist-manifest-run b/bin/cdist-manifest-run
index 894bc296..d10cba02 100755
--- a/bin/cdist-manifest-run
+++ b/bin/cdist-manifest-run
@@ -24,7 +24,7 @@
 
 . cdist-config
 [ $# -eq 3 ] || __cdist_usage "<target host> <manifest> <out dir>"
-set -ux
+set -u
 
 __cdist_target_host="$1"; shift
 __cdist_manifest="$1"; shift