diff --git a/lib/commands/plugin.js b/lib/commands/plugin.js
index 7ccf3870..edfb60b5 100644
--- a/lib/commands/plugin.js
+++ b/lib/commands/plugin.js
@@ -47,7 +47,7 @@ function install(name) {
 
     // install dependencies
     var plugin = require(path.relative(__dirname, newname));
-    if (plugin.deps.length === 0) return;
+    if (plugin.deps === undefined || plugin.deps.length === 0) return;
 
     var cmd = 'npm install --save ' + plugin.deps.join(' ');
     log.debug(cmd);