diff --git a/pandora_console/ChangeLog b/pandora_console/ChangeLog
index 56c2192600..3abed725ad 100644
--- a/pandora_console/ChangeLog
+++ b/pandora_console/ChangeLog
@@ -1,3 +1,8 @@
+2011-03-02 Juan Manuel Ramon <juanmanuel.ramon@artica.es>
+
+	* include/functions_ui.php: Added missing variable initialization in function
+	process_page_head. 
+
 2011-03-02 Miguel de Dios  <miguel.dedios@artica.es>
 
 	* include/functions_reporting.php: added the call to
diff --git a/pandora_console/include/functions_ui.php b/pandora_console/include/functions_ui.php
index f06dd1a803..e4a9a339ea 100644
--- a/pandora_console/include/functions_ui.php
+++ b/pandora_console/include/functions_ui.php
@@ -832,6 +832,7 @@ function process_page_head ($string, $bitfield) {
 		$config['css'] = array ();
 	}
 
+	$exists_css = false;
 	//First, if user has assigned a skin then try to use css files of skin subdirectory
 	$isFunctionSkins = enterprise_include_once ('include/functions_skins.php');
 	if ($isFunctionSkins !== ENTERPRISE_NOT_HOOK) {