diff --git a/change_log.txt b/change_log.txt
index 603b5052..3273585e 100644
--- a/change_log.txt
+++ b/change_log.txt
@@ -1,4 +1,8 @@
  ===== 3.1.30-dev ===== (xx.xx.xx)
+ 04.03.2016
+  - bugfix change from 01.03.2016 will cause $smarty->isCached(..) failure if called multiple time for same template
+    (forum topic 25935)
+  
  02.03.2016
   - revert autoloader optimizations because of unexplainable warning when using plugins https://github.com/smarty-php/smarty/issues/199
   
diff --git a/libs/Smarty.class.php b/libs/Smarty.class.php
index 8f1467d5..45b24085 100644
--- a/libs/Smarty.class.php
+++ b/libs/Smarty.class.php
@@ -121,7 +121,7 @@ class Smarty extends Smarty_Internal_TemplateBase
     /**
      * smarty version
      */
-    const SMARTY_VERSION = '3.1.30-dev/51';
+    const SMARTY_VERSION = '3.1.30-dev/52';
 
     /**
      * define variable scopes
@@ -1051,7 +1051,7 @@ class Smarty extends Smarty_Internal_TemplateBase
         if ($this->caching && isset($this->_cache[ 'isCached' ][ $_templateId ])) {
             $tpl = $do_clone ? clone $this->_cache[ 'isCached' ][ $_templateId ] :
                 $this->_cache[ 'isCached' ][ $_templateId ];
-            $template->tpl_vars = $template->config_vars = array();
+            $tpl->tpl_vars = $tpl->config_vars = array();
         } else if (!$do_clone && isset($this->_cache[ 'tplObjects' ][ $_templateId ])) {
             $tpl = clone $this->_cache[ 'tplObjects' ][ $_templateId ];
         } else {