diff --git a/phpgwapi/inc/min/lib/Minify/CSS/UriRewriter.php b/phpgwapi/inc/min/lib/Minify/CSS/UriRewriter.php
index e670340e36..79f7d98e69 100755
--- a/phpgwapi/inc/min/lib/Minify/CSS/UriRewriter.php
+++ b/phpgwapi/inc/min/lib/Minify/CSS/UriRewriter.php
@@ -208,7 +208,7 @@ class Minify_CSS_UriRewriter {
      */
     protected static function _realpath($path)
     {
-        $realPath = realpath($path);
+        $realPath = @realpath($path);
         if ($realPath !== false) {
             $path = $realPath;
         }
diff --git a/phpgwapi/inc/min/lib/Minify/Controller/MinApp.php b/phpgwapi/inc/min/lib/Minify/Controller/MinApp.php
index 7988526f26..54febee474 100755
--- a/phpgwapi/inc/min/lib/Minify/Controller/MinApp.php
+++ b/phpgwapi/inc/min/lib/Minify/Controller/MinApp.php
@@ -142,7 +142,7 @@ class Minify_Controller_MinApp extends Minify_Controller_Base {
             }
             $base_path = $_SERVER['DOCUMENT_ROOT'].$base;
             // check base against symlinks to support aliases configured via symlinks
-            if (!(file_exists($base_path) && is_dir($base_path) && realpath($base_path) !== false) &&
+            if (!(file_exists($base_path) && is_dir($base_path) && @realpath($base_path) !== false) &&
             	isset($options['minifierOptions']['text/css']['symlinks'][$t='//'.trim($base, '/')]) &&
           		($base_path = realpath($options['minifierOptions']['text/css']['symlinks'][$t]))) {
           		$base_path .= '/';