diff --git a/change_log.txt b/change_log.txt
index 39d7583e..ed66c9b7 100644
--- a/change_log.txt
+++ b/change_log.txt
@@ -1,6 +1,7 @@
 05/05/2010
 - bugfix on {insert} to cache parameter
 - implementation of $smarty->default_modifiers as in Smarty2
+- bugfix on getTemplateVars method 
 
 01/05/2010
 - bugfix on handling of variable method names at object chaning
diff --git a/libs/sysplugins/smarty_internal_data.php b/libs/sysplugins/smarty_internal_data.php
index 63f98a1d..6813ad6c 100644
--- a/libs/sysplugins/smarty_internal_data.php
+++ b/libs/sysplugins/smarty_internal_data.php
@@ -188,7 +188,7 @@ class Smarty_Internal_Data {
                     $_ptr = null;
                 } 
             } 
-            if ($search_parents) {
+            if ($search_parents && isset($this->global_tpl_vars)) {
                 foreach ($this->global_tpl_vars AS $key => $var) {
                     $_result[$key] = $var->value;
                 } 
@@ -440,4 +440,4 @@ class Undefined_Smarty_Variable {
     } 
 } 
 
-?>
+?>
\ No newline at end of file