diff --git a/src/Bundle/ChillPersonBundle/Resources/public/vuejs/VisGraph/i18n.js b/src/Bundle/ChillPersonBundle/Resources/public/vuejs/VisGraph/i18n.js
index 8047aea11..f0eb331a6 100644
--- a/src/Bundle/ChillPersonBundle/Resources/public/vuejs/VisGraph/i18n.js
+++ b/src/Bundle/ChillPersonBundle/Resources/public/vuejs/VisGraph/i18n.js
@@ -9,6 +9,7 @@ const visMessages = {
             both: 'neutre, non binaire',
             woman: 'féminin',
             man: 'masculin',
+            undefined: "genre non précisé",
             years: 'ans',
             click_to_expand: 'cliquez pour étendre',
             add_relationship_link: "Créer un lien de filiation",
diff --git a/src/Bundle/ChillPersonBundle/Resources/public/vuejs/VisGraph/vis-network.js b/src/Bundle/ChillPersonBundle/Resources/public/vuejs/VisGraph/vis-network.js
index 3e00db883..675ce63e9 100644
--- a/src/Bundle/ChillPersonBundle/Resources/public/vuejs/VisGraph/vis-network.js
+++ b/src/Bundle/ChillPersonBundle/Resources/public/vuejs/VisGraph/vis-network.js
@@ -153,7 +153,7 @@ const getGender = (gender) => {
         case 'man':
             return visMessages.fr.visgraph.man
         default:
-            throw 'gender undefined'
+            return visMessages.fr.visgraph.undefined
     }
 }