diff --git a/cleanDiacritics.js b/cleanDiacritics.js
index d877006a..f9101932 100644
--- a/cleanDiacritics.js
+++ b/cleanDiacritics.js
@@ -1,8 +1,8 @@
 
 var makeString = require('./helper/makeString');
 
-var from  = 'ąàáäâãåæăćčĉęèéëêĝĥìíïîĵłľńňòóöőôõðøśșşšŝťțţŭùúüűûñÿýçżźž',
-  to    = 'aaaaaaaaaccceeeeeghiiiijllnnoooooooossssstttuuuuuunyyczzz';
+var from  = 'ąàáäâãåăćčĉęèéëêĝĥìíïîĵłľńňòóöőôõðøśșşšŝťțţŭùúüűûñÿýçżźž',
+  to    = 'aaaaaaaaccceeeeeghiiiijllnnoooooooossssstttuuuuuunyyczzz';
 
 from += from.toUpperCase();
 to += to.toUpperCase();
@@ -12,6 +12,10 @@ to = to.split('');
 // for tokens requireing multitoken output
 from += 'ß';
 to.push('ss');
+from += 'œ';
+to.push('oe');
+from += 'æ';
+to.push('ae');
 
 
 module.exports = function cleanDiacritics(str) {
diff --git a/tests/cleanDiacritics.js b/tests/cleanDiacritics.js
index 01b378f3..b53faf3a 100644
--- a/tests/cleanDiacritics.js
+++ b/tests/cleanDiacritics.js
@@ -2,8 +2,8 @@
 var equal = require('assert').equal;
 var cleanDiacritics = require('../cleanDiacritics');
 
-var from  = 'ąàáäâãåæăćčĉęèéëêĝĥìíïîĵłľńňòóöőôõðøśșşšŝťțţŭùúüűûñÿýçżźž',
-  to    = 'aaaaaaaaaccceeeeeghiiiijllnnoooooooossssstttuuuuuunyyczzz';
+var from  = 'ąàáäâãåăćčĉęèéëêĝĥìíïîĵłľńňòóöőôõðøśșşšŝťțţŭùúüűûñÿýçżźž',
+  to    = 'aaaaaaaaccceeeeeghiiiijllnnoooooooossssstttuuuuuunyyczzz';
 
 test('#cleanDiacritics', function() {
 
@@ -20,5 +20,7 @@ test('#cleanDiacritics', function() {
 
   equal(cleanDiacritics('ß'), 'ss');
   equal(cleanDiacritics('Schuß'), 'Schuss');
-});
 
+  equal(cleanDiacritics('œuf'), 'oeuf');
+  equal(cleanDiacritics('curriculum vitæ'), 'curriculum vitae');
+});
diff --git a/tests/slugify.js b/tests/slugify.js
index 2b779981..e4b456bc 100644
--- a/tests/slugify.js
+++ b/tests/slugify.js
@@ -5,6 +5,7 @@ var slugify = require('../slugify');
 test('#slugify', function() {
   equal(slugify('Jack & Jill like numbers 1,2,3 and 4 and silly characters ?%.$!/'), 'jack-jill-like-numbers-1-2-3-and-4-and-silly-characters');
   equal(slugify('Un éléphant à l\'orée du bois'), 'un-elephant-a-l-oree-du-bois');
+  equal(slugify('Un œuf et un curriculum vitæ'), 'un-oeuf-et-un-curriculum-vitae');
   equal(slugify('I know latin characters: á í ó ú ç ã õ ñ ü ă ș ț'), 'i-know-latin-characters-a-i-o-u-c-a-o-n-u-a-s-t');
   equal(slugify('I am a word too, even though I am but a single letter: i!'), 'i-am-a-word-too-even-though-i-am-but-a-single-letter-i');
   equal(slugify('Some asian 天地人 characters'), 'some-asian-characters');