diff --git a/htdocs/ticket/class/cticketcategory.class.php b/htdocs/ticket/class/cticketcategory.class.php
index 279bd4bd790..c98e7bb3c92 100644
--- a/htdocs/ticket/class/cticketcategory.class.php
+++ b/htdocs/ticket/class/cticketcategory.class.php
@@ -186,7 +186,7 @@ class CTicketCategory extends CommonObject
 
 		$this->db = $db;
 
-		if (!getDolGlobalString('MAIN_SHOW_TECHNICAL_ID')) && isset($this->fields['rowid']) {
+		if (!getDolGlobalString('MAIN_SHOW_TECHNICAL_ID') && isset($this->fields['rowid']) {
 			$this->fields['rowid']['visible'] = 0;
 		}
 		if (!isModEnabled('multicompany') && isset($this->fields['entity'])) {