diff --git a/ChangeLog b/ChangeLog
index 10245c9ba..9c0b077cf 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -5,6 +5,9 @@ phpMyAdmin - ChangeLog
 $Id$
 $HeadURL: https://phpmyadmin.svn.sourceforge.net/svnroot/phpmyadmin/trunk/phpMyAdmin/ChangeLog $
 
+2.11.2.0 (not yet released)
+- patch #1787915 Avoid CSS reloading on every click, thanks to Juergen Wind
+
 2.11.1.0 (not yet released)
 
 - bug #1783667 [export] NO_AUTO_VALUE_ON_ZERO and MySQL version 
diff --git a/libraries/Config.class.php b/libraries/Config.class.php
index 07554d81b..c9df18db5 100644
--- a/libraries/Config.class.php
+++ b/libraries/Config.class.php
@@ -533,7 +533,8 @@ class PMA_Config
      */
     function getMtime()
     {
-        return max($this->source_mtime, $this->default_source_mtime, $this->set_mtime);
+        return $this->source_mtime + $this->default_source_mtime + $_SESSION['PMA_Theme']->mtime_info;
+        //"max()" most probably would only returns "source" last modified timestamp.
     }
 
     /**