diff --git a/bin/tests/system/cds/setup.sh b/bin/tests/system/cds/setup.sh
index c3ec8a23fe..6de5de5acb 100644
--- a/bin/tests/system/cds/setup.sh
+++ b/bin/tests/system/cds/setup.sh
@@ -11,10 +11,12 @@
 # See the COPYRIGHT file distributed with this work for additional
 # information regarding copyright ownership.
 
-set -eu
+set -e
 
 . ../conf.sh
 
+set -u
+
 touch empty
 
 Z=cds.test