diff --git a/bin/medic-conf.js b/bin/medic-conf.js
index bb67e8418..897c35924 100755
--- a/bin/medic-conf.js
+++ b/bin/medic-conf.js
@@ -12,6 +12,8 @@ const warn = require('../src/lib/log').warn;
 let args = process.argv.slice(2);
 const shift = n => args = args.slice(n || 1);
 
+if(!args.length) return usage(0);
+
 let instanceUrl;
 
 switch(args[0]) {
diff --git a/package.json b/package.json
index 12003b574..f4b288e33 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "medic-configurer-beta",
-  "version": "1.5.7",
+  "version": "1.5.8",
   "description": "Configure Medic Mobile deployments",
   "main": "index.js",
   "scripts": {