diff --git a/alpine/packages/test/mobytest b/alpine/packages/test/mobytest
index 24c13c820..e9a5caeca 100755
--- a/alpine/packages/test/mobytest
+++ b/alpine/packages/test/mobytest
@@ -1,8 +1,9 @@
 #!/bin/sh
 
-set -e
+set -ex
 
 docker info
 docker ps
+docker pull alpine
 docker run alpine true
 docker swarm init