diff --git a/pkgs/mailcow/src/bin.sh b/pkgs/mailcow/src/bin.sh
index 283c046..5042357 100644
--- a/pkgs/mailcow/src/bin.sh
+++ b/pkgs/mailcow/src/bin.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env ysh
 
+shopt --unset no_exported
+
 set -euo pipefail
 
 export PATH=@path@