diff --git a/modules/words/words.js b/modules/words/words.js
index b1ed7f8..34e17ab 100644
--- a/modules/words/words.js
+++ b/modules/words/words.js
@@ -16,13 +16,15 @@ var words = function(dbot) {
         '~like': function(event) {
             var query = event.params[1];
             this.wn.word(query, {}, function(err, word) {
-                if(!err && word) {
+                if(!err && word[0]) {
                     word.related({
                         'limit': 10
                     }, function(err, related) {
                         event.reply('Words related to ' + query + ': ' +
                             related[0].words.join(', ') + '.');
                     });
+                } else {
+                    event.reply('Unknown word.');
                 }
             });