diff --git a/min/lib/Minify.php b/min/lib/Minify.php
index 58b9b88..d70e32d 100644
--- a/min/lib/Minify.php
+++ b/min/lib/Minify.php
@@ -253,7 +253,7 @@ class Minify {
         if (self::$_options['contentType'] === self::TYPE_CSS
             && self::$_options['rewriteCssUris']) {
             reset($controller->sources);
-            while (list($key, $source) = each($controller->sources)) {
+            foreach($controller->sources as $key => $source) {
                 if ($source->filepath 
                     && !isset($source->minifyOptions['currentDir'])
                     && !isset($source->minifyOptions['prependRelativePath'])