diff --git a/application/portaldispatcher.class.inc.php b/application/portaldispatcher.class.inc.php
index 0a9cc5d4f..b56da6b68 100644
--- a/application/portaldispatcher.class.inc.php
+++ b/application/portaldispatcher.class.inc.php
@@ -55,7 +55,16 @@ class PortalDispatcher
 	
 	public function GetURL()
 	{
-		return utils::GetAbsoluteUrlAppRoot().$this->aData['url'];
+		$aOverloads = MetaModel::GetConfig()->Get('portal_dispatch_urls');
+		if (array_key_exists($this->sPortalid, $aOverloads))
+		{
+			$sRet = $aOverloads[$this->sPortalid];
+		}
+		else
+		{
+			$sRet = utils::GetAbsoluteUrlAppRoot().$this->aData['url'];
+		}
+		return $sRet;
 	}
 	
 	public function GetLabel()
diff --git a/core/config.class.inc.php b/core/config.class.inc.php
index bfff92c1f..a742ebabf 100644
--- a/core/config.class.inc.php
+++ b/core/config.class.inc.php
@@ -718,6 +718,15 @@ class Config
 			'source_of_value' => '',
 			'show_in_conf_sample' => true,
 		),
+		'portal_dispatch_urls' => array(
+			'type' => 'array',
+			'description' => 'Associative array of sPortalId => Home page URL (relatively to the application root)',
+			// examples... not used
+			'default' => array(),
+			'value' => false,
+			'source_of_value' => '',
+			'show_in_conf_sample' => false,
+		),
 		'max_execution_time_per_loop' => array(
 			'type' => 'integer',
 			'description' => 'Maximum execution time requested, per loop, during bulk operations. Zero means no limit.',