diff --git a/change_log.txt b/change_log.txt
index fe0521fc..280d7970 100644
--- a/change_log.txt
+++ b/change_log.txt
@@ -4,6 +4,7 @@
   - optimize security isTrustedResourceDir()
   - move auto load filter methods into extension
   - move $smarty->getTemplateVars() into extension
+  - move getStreamVariable() into extension
 
  27.06.2015
   - bugfix resolve naming conflict between custom Smarty delimiter '<%' and PHP ASP tags https://github.com/smarty-php/smarty/issues/64
diff --git a/libs/sysplugins/smarty_internal_data.php b/libs/sysplugins/smarty_internal_data.php
index cefaafd8..5ea03577 100644
--- a/libs/sysplugins/smarty_internal_data.php
+++ b/libs/sysplugins/smarty_internal_data.php
@@ -325,21 +325,6 @@ class Smarty_Internal_Data
      */
     public function getStreamVariable($variable)
     {
-        $_result = '';
-        $fp = fopen($variable, 'r+');
-        if ($fp) {
-            while (!feof($fp) && ($current_line = fgets($fp)) !== false) {
-                $_result .= $current_line;
-            }
-            fclose($fp);
-
-            return $_result;
-        }
-        $smarty = isset($this->smarty) ? $this->smarty : $this;
-        if ($smarty->error_unassigned) {
-            throw new SmartyException('Undefined stream variable "' . $variable . '"');
-        } else {
-            return null;
-        }
+        return Smarty_Internal_Extension_GetStreamVar::getStreamVariable($this, $variable);
     }
 }
diff --git a/libs/sysplugins/smarty_internal_extension_getstreamvar.php b/libs/sysplugins/smarty_internal_extension_getstreamvar.php
new file mode 100644
index 00000000..5f09e908
--- /dev/null
+++ b/libs/sysplugins/smarty_internal_extension_getstreamvar.php
@@ -0,0 +1,42 @@
+<?php
+
+/**
+ * Smarty Extension GetStreamVar
+ *
+ * getStreamVariable() method
+ *
+ * @package    Smarty
+ * @subpackage PluginsInternal
+ * @author     Uwe Tews
+ */
+class Smarty_Internal_Extension_GetStreamVar
+{
+    /**
+     * gets  a stream variable
+     *
+     * @param         $obj
+     * @param  string $variable the stream of the variable
+     *
+     * @return mixed
+     * @throws \SmartyException
+     */
+    public static function getStreamVariable($obj, $variable)
+    {
+        $_result = '';
+        $fp = fopen($variable, 'r+');
+        if ($fp) {
+            while (!feof($fp) && ($current_line = fgets($fp)) !== false) {
+                $_result .= $current_line;
+            }
+            fclose($fp);
+
+            return $_result;
+        }
+        $smarty = isset($obj->smarty) ? $obj->smarty : $obj;
+        if ($smarty->error_unassigned) {
+            throw new SmartyException('Undefined stream variable "' . $variable . '"');
+        } else {
+            return null;
+        }
+    }
+}
\ No newline at end of file