diff --git a/change_log.txt b/change_log.txt
index a39d582b..0f5f3794 100644
--- a/change_log.txt
+++ b/change_log.txt
@@ -1,3 +1,6 @@
+22/11/2010
+- bugfix on template inheritance when an {extends} tag was inserted by a prefilter
+
 ===== Smarty 3.0.5  =====
 
 
diff --git a/libs/sysplugins/smarty_internal_templatecompilerbase.php b/libs/sysplugins/smarty_internal_templatecompilerbase.php
index ffa7955e..0470ec4c 100644
--- a/libs/sysplugins/smarty_internal_templatecompilerbase.php
+++ b/libs/sysplugins/smarty_internal_templatecompilerbase.php
@@ -67,7 +67,7 @@ class Smarty_Internal_TemplateCompilerBase {
             $_content = $template->getTemplateSource(); 
             // run prefilter if required
             if (isset($this->smarty->autoload_filters['pre']) || isset($this->smarty->registered_filters['pre'])) {
-                $_content = Smarty_Internal_Filter_Handler::runFilter('pre', $_content, $template);
+                $template->template_source = $_content = Smarty_Internal_Filter_Handler::runFilter('pre', $_content, $template);
             } 
             // on empty template just return header
             if ($_content == '') {