diff --git a/ush/module-setup.sh b/ush/module-setup.sh
index 554983ed..42982e36 100755
--- a/ush/module-setup.sh
+++ b/ush/module-setup.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-set -eu
+set -u
 
 if [[ $MACHINE_ID = jet* ]] ; then
     # We are on NOAA Jet