diff --git a/change_log.txt b/change_log.txt
index c158c32b..530ff8b9 100644
--- a/change_log.txt
+++ b/change_log.txt
@@ -1,5 +1,6 @@
 23/03/2010
 - bugfix on template inheritance when calling multiple child/parent relations
+- bugfix on caching mode SMARTY_CACHING_LIFETIME_SAVED and cache_lifetime = 0
 
 22/03/2010
 - bugfix make directory separator operating system independend in compileAllTemplates()
diff --git a/libs/sysplugins/smarty_internal_template.php b/libs/sysplugins/smarty_internal_template.php
index b3597842..f48bf450 100644
--- a/libs/sysplugins/smarty_internal_template.php
+++ b/libs/sysplugins/smarty_internal_template.php
@@ -357,7 +357,7 @@ class Smarty_Internal_Template extends Smarty_Internal_Data {
                         return $this->isCached;
                     } 
                     $this->cacheFileChecked = true;
-                    if ($this->caching === SMARTY_CACHING_LIFETIME_SAVED && $this->properties['cache_lifetime'] > 0 && (time() > ($this->getCachedTimestamp() + $this->properties['cache_lifetime']))) {
+                    if ($this->caching === SMARTY_CACHING_LIFETIME_SAVED && $this->properties['cache_lifetime'] >= 0 && (time() > ($this->getCachedTimestamp() + $this->properties['cache_lifetime']))) {
                         $this->rendered_content = null;
                         return $this->isCached;
                     } 
@@ -861,4 +861,4 @@ class Smarty_Internal_Template extends Smarty_Internal_Data {
 class Smarty_Template extends Smarty_Internal_Template {
 } 
 
-?>
+?>
\ No newline at end of file