diff --git a/composer.json b/composer.json
index edc914a..a11af3b 100644
--- a/composer.json
+++ b/composer.json
@@ -3,7 +3,7 @@
     "description": "Compass for scssphp",
     "homepage": "http://leafo.net/scssphp/",
     "require": {
-        "leafo/scssphp": "dev-master"
+        "leafo/scssphp": "~0.0.15"
     },
     "authors": [
         {
diff --git a/stylesheets/compass/css3/font-face.scss b/stylesheets/compass/css3/font-face.scss
index bd3db34..88cffb5 100644
--- a/stylesheets/compass/css3/font-face.scss
+++ b/stylesheets/compass/css3/font-face.scss
@@ -23,6 +23,15 @@
 
 // Order of the includes matters, and it is: normal, bold, italic, bold+italic.
 
+@function font-files($args...) {
+    $ret: ();
+    @for $i from 1 through length($args)/2 {
+        $ret: append($ret, (url(nth($args, $i * 2 - 1)) format(quote(nth($args, $i * 2)))), comma);
+    }
+
+    @return $ret;
+}
+
 @mixin font-face(
   $name, 
   $font-files, 
@@ -34,8 +43,8 @@
   @font-face {
     font-family: quote($name);
     @if $eot {
-      src: font-url($eot);
-      $font-files: font-url($iefont) unquote("format('eot')"), $font-files; 
+      src: url($eot);
+      $font-files: url($iefont) unquote("format('eot')"), $font-files; 
     }
     src: $font-files;
     @if $weight {