diff --git a/resources/docker/configure.sh b/resources/docker/configure.sh
index 0eaca55d1..9866429b5 100644
--- a/resources/docker/configure.sh
+++ b/resources/docker/configure.sh
@@ -1,4 +1,6 @@
 #!/usr/bin/env sh
 # shellcheck shell=dash
 
+set -xe
+
 exec /usr/local/bin/stalwart-install --docker --component "$STALWART_COMPONENT" --path /opt/stalwart-mail "$@"