diff --git a/change_log.txt b/change_log.txt
index 91dfdd37..83b0374a 100644
--- a/change_log.txt
+++ b/change_log.txt
@@ -1,6 +1,7 @@
  ===== 3.1.28-dev===== (xx.xx.2015)
  13.12.2015
   - bugfix {foreach} and {section} with uppercase characters in name attribute did not work (forum topic 25819)
+  - bugfix $smarty->debugging_ctrl = 'URL' did not work (forum topic 25811)
   
  09.12.2015
   - bugix Smarty did fail under PHP 7.0.0 with use_include_path = true;
diff --git a/libs/Smarty.class.php b/libs/Smarty.class.php
index b926e006..cb297ccb 100644
--- a/libs/Smarty.class.php
+++ b/libs/Smarty.class.php
@@ -118,7 +118,7 @@ class Smarty extends Smarty_Internal_TemplateBase
     /**
      * smarty version
      */
-    const SMARTY_VERSION = '3.1.28-dev/80';
+    const SMARTY_VERSION = '3.1.28-dev/81';
 
     /**
      * define variable scopes
@@ -1094,8 +1094,12 @@ class Smarty extends Smarty_Internal_TemplateBase
                 $tpl->tpl_vars[$_key] = new Smarty_Variable($_val);
             }
         }
-        if ($this->debugging) {
+        if ($this->debugging || $this->debugging_ctrl == 'URL') {
             $tpl->smarty->_debug = new Smarty_Internal_Debug();
+            // check URL debugging control
+            if (!$this->debugging && $this->debugging_ctrl == 'URL') {
+                $tpl->smarty->_debug->debugUrl($tpl->smarty);
+            }
         }
         return $tpl;
     }
diff --git a/libs/sysplugins/smarty_internal_debug.php b/libs/sysplugins/smarty_internal_debug.php
index e330a35c..0cbd5495 100644
--- a/libs/sysplugins/smarty_internal_debug.php
+++ b/libs/sysplugins/smarty_internal_debug.php
@@ -399,31 +399,31 @@ class Smarty_Internal_Debug extends Smarty_Internal_Data
     /**
      * handle 'URL' debugging mode
      *
-     * @param Smarty_Internal_Template $_template
+     * @param Smarty $smarty
      */
-    public function debugUrl(Smarty_Internal_Template $_template)
+    public function debugUrl(Smarty $smarty)
     {
         if (isset($_SERVER['QUERY_STRING'])) {
             $_query_string = $_SERVER['QUERY_STRING'];
         } else {
             $_query_string = '';
         }
-        if (false !== strpos($_query_string, $_template->smarty->smarty_debug_id)) {
-            if (false !== strpos($_query_string, $_template->smarty->smarty_debug_id . '=on')) {
+        if (false !== strpos($_query_string, $smarty->smarty_debug_id)) {
+            if (false !== strpos($_query_string, $smarty->smarty_debug_id . '=on')) {
                 // enable debugging for this browser session
                 setcookie('SMARTY_DEBUG', true);
-                $_template->smarty->debugging = true;
-            } elseif (false !== strpos($_query_string, $_template->smarty->smarty_debug_id . '=off')) {
+                $smarty->debugging = true;
+            } elseif (false !== strpos($_query_string, $smarty->smarty_debug_id . '=off')) {
                 // disable debugging for this browser session
                 setcookie('SMARTY_DEBUG', false);
-                $_template->smarty->debugging = false;
+                $smarty->debugging = false;
             } else {
                 // enable debugging for this page
-                $_template->smarty->debugging = true;
+                $smarty->debugging = true;
             }
         } else {
             if (isset($_COOKIE['SMARTY_DEBUG'])) {
-                $_template->smarty->debugging = true;
+                $smarty->debugging = true;
             }
         }
     }
diff --git a/libs/sysplugins/smarty_internal_template.php b/libs/sysplugins/smarty_internal_template.php
index 52c7391b..64eeaa10 100644
--- a/libs/sysplugins/smarty_internal_template.php
+++ b/libs/sysplugins/smarty_internal_template.php
@@ -138,10 +138,6 @@ class Smarty_Internal_Template extends Smarty_Internal_TemplateBase
             }
             throw new SmartyException("Unable to load template {$this->source->type} '{$this->source->name}'{$parent_resource}");
         }
-        // check URL debugging control
-        if (!$this->smarty->debugging && $this->smarty->debugging_ctrl == 'URL') {
-            $this->smarty->_debug->debugUrl($this);
-        }
         // disable caching for evaluated code
         if ($this->source->handler->recompiled) {
             $this->caching = false;