diff --git a/htdocs/admin/modules.php b/htdocs/admin/modules.php
index af7d5397e24..e746faec8a5 100644
--- a/htdocs/admin/modules.php
+++ b/htdocs/admin/modules.php
@@ -760,6 +760,7 @@ if ($mode == 'common' || $mode == 'commonkanban') {
 		$codetoconfig = '';
 
 		// Force disable of module disabled into session (for demo for example)
+		$disabled_modules = array();
 		if (in_array($modulenameshort, $disabled_modules)) {
 			$objMod->disabled = true;
 		}