diff --git a/bin/deploy.js b/bin/deploy.js
index ed8fa01..5893913 100755
--- a/bin/deploy.js
+++ b/bin/deploy.js
@@ -3,6 +3,7 @@ var propagit = require('propagit');
 
 var git = require('../lib/git');
 var argv = require('../lib/argv');
+if (!argv.hub) return console.error('Specify a --hub or set a remote.');
 
 var p = propagit(argv);
 p.on('error', function (err) {
diff --git a/bin/exec.js b/bin/exec.js
index 9a0ae0a..4e1d6b7 100755
--- a/bin/exec.js
+++ b/bin/exec.js
@@ -1,5 +1,7 @@
 #!/usr/bin/env node
 var argv = require('../lib/argv');
+if (!argv.hub) return console.error('Specify a --hub or set a remote.');
+
 var propagit = require('propagit');
 var git = require('../lib/git');
 
diff --git a/bin/monitor.js b/bin/monitor.js
index b295eb7..9ef800d 100755
--- a/bin/monitor.js
+++ b/bin/monitor.js
@@ -1,5 +1,7 @@
 #!/usr/bin/env node
 var argv = require('../lib/argv');
+if (!argv.hub) return console.error('Specify a --hub or set a remote.');
+
 var propagit = require('propagit');
 var EventEmitter = require('events').EventEmitter;
 
diff --git a/bin/ps.js b/bin/ps.js
index ea37192..600e8d0 100755
--- a/bin/ps.js
+++ b/bin/ps.js
@@ -5,6 +5,7 @@ var propagit = require('propagit');
 var archy = require('archy');
 
 var argv = require('../lib/argv');
+if (!argv.hub) return console.error('Specify a --hub or set a remote.');
 
 var p = propagit(argv);
 p.on('error', function (err) {
diff --git a/bin/spawn.js b/bin/spawn.js
index 0f18070..d7c02d7 100755
--- a/bin/spawn.js
+++ b/bin/spawn.js
@@ -1,5 +1,7 @@
 #!/usr/bin/env node
 var argv = require('../lib/argv');
+if (!argv.hub) return console.error('Specify a --hub or set a remote.');
+
 var propagit = require('propagit');
 var git = require('../lib/git');
 
diff --git a/bin/stop.js b/bin/stop.js
index 422760f..a8a7b7d 100755
--- a/bin/stop.js
+++ b/bin/stop.js
@@ -1,5 +1,7 @@
 #!/usr/bin/env node
 var argv = require('../lib/argv');
+if (!argv.hub) return console.error('Specify a --hub or set a remote.');
+
 var propagit = require('propagit');
 var git = require('../lib/git');