diff --git a/debian/openwebrx.postinst b/debian/openwebrx.postinst
index ba24ebbf..9f6b18aa 100755
--- a/debian/openwebrx.postinst
+++ b/debian/openwebrx.postinst
@@ -1,7 +1,7 @@
 #!/bin/bash
 . /usr/share/debconf/confmodule
 
-set -euo pipefail
+set -exuo pipefail
 
 OWRX_USER="openwebrx"
 OWRX_DATADIR="/var/lib/openwebrx"