diff --git a/htdocs/core/boxes/box_graph_nb_tickets_type.php b/htdocs/core/boxes/box_graph_nb_tickets_type.php
index 2da54d84e7a..f4efce23797 100644
--- a/htdocs/core/boxes/box_graph_nb_tickets_type.php
+++ b/htdocs/core/boxes/box_graph_nb_tickets_type.php
@@ -131,7 +131,7 @@ class box_graph_nb_tickets_type extends ModeleBoxes
 				}
 				foreach ($listofoppcode as $rowid => $code) {
 					$dataseries[] = array(
-						'label' => $langs->getLabelFromKey($this->db, 'TicketTypeShort' . $code, 'c_ticket_category', 'code', 'label', $code),
+						'label' => $langs->getLabelFromKey($this->db, 'TicketTypeShort' . $code, 'c_ticket_type', 'code', 'label', $code),
 						'data' => (empty($data[$code]) ? 0 : $data[$code])
 					);
 				}
diff --git a/htdocs/core/boxes/box_graph_ticket_by_severity.php b/htdocs/core/boxes/box_graph_ticket_by_severity.php
index 13cd0c40c86..a7fa571b6c7 100644
--- a/htdocs/core/boxes/box_graph_ticket_by_severity.php
+++ b/htdocs/core/boxes/box_graph_ticket_by_severity.php
@@ -152,7 +152,7 @@ class box_graph_ticket_by_severity extends ModeleBoxes
 				}
 				foreach ($listofoppcode as $rowid => $code) {
 					$dataseries[] = array(
-						'label' => $langs->getLabelFromKey($this->db, 'TicketSeverityShort' . $code, 'c_ticket_category', 'code', 'label', $code),
+						'label' => $langs->getLabelFromKey($this->db, 'TicketSeverityShort' . $code, 'c_ticket_severity', 'code', 'label', $code),
 						'data' => (empty($data[$code]) ? 0 : $data[$code])
 					);
 				}