1 files changed, 5 insertions, 2 deletions
diff --git a/lib/lorem.js b/lib/lorem.js
index 32e89959..16b1a4bd 100644
--- a/lib/lorem.js
+++ b/lib/lorem.js
@@ -11,10 +11,13 @@ var Lorem = function (faker) {
    * generates a word of a specified length
    *
    * @method faker.lorem.word
-   * @param {number} length
+   * @param {number} length length of the word that should be returned
    */
   self.word = function (length) {
-    var properLengthWords = faker.definitions.lorem.words.filter(function(word) { return word.length === num; });
+    var hasRightLength = function(word) { return word.length === length; };
+    var properLengthWords = typeof length == 'undefined'
+    ? faker.definitions.lorem.words
+    : faker.definitions.lorem.words.filter(hasRightLength);
     return faker.random.arrayElement(properLengthWords);
   };