diff --git a/plugins/domains/install b/plugins/domains/install
index 5bf5d830d..835ad7217 100755
--- a/plugins/domains/install
+++ b/plugins/domains/install
@@ -1,5 +1,6 @@
 #!/usr/bin/env bash
 set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x
+shopt -s nullglob
 
 for app in $DOKKU_ROOT/*/CONTAINER; do
   APP=$(basename "$(dirname $app)");