diff --git a/src/dependencies.pug b/src/dependencies.pug
index ec43d249cc956232e46a2b7663431095588bc0cc..4f7189af600192ef9eed33a93066a0fbc46c2444 100644
--- a/src/dependencies.pug
+++ b/src/dependencies.pug
@@ -43,7 +43,5 @@ script(data-default-context, type="application/ld+json")
     |     "account": "http://happy-dev.fr/owl/#account",
     |     "jabberID": "foaf:jabberID",
     |     "picture": "foaf:depiction",
-    |     "firstName": "http://happy-dev.fr/owl/#first_name",
-    |     "lastName": "http://happy-dev.fr/owl/#last_name",
     |     "isAdmin": "http://happy-dev.fr/owl/#is_admin"
     | }
diff --git a/src/header.pug b/src/header.pug
index ef567557d4f758673a2db9985ca6ea714a790219..83e9cfb0564bf87782b2cd2e0d5543181aa861f0 100644
--- a/src/header.pug
+++ b/src/header.pug
@@ -17,7 +17,7 @@ include templates/hd-user-avatar.pug
 details#user-controls.notLoggedIn
   summary(tabindex='0' role='button')
     sib-display#user-controls__profile(
-      fields='firstName, account.picture'
+      fields='first_name, account.picture'
       widget-account.picture='hd-user-avatar'
       bind-user
     )
diff --git a/src/styles/base/header.scss b/src/styles/base/header.scss
index b33026620533fe886380e48db3ea1e133a2a553d..093cfcd30674e33e755d85450e867f057cbb5914 100644
--- a/src/styles/base/header.scss
+++ b/src/styles/base/header.scss
@@ -169,7 +169,7 @@
           width: 45%;
         }
   
-        sib-display-value[name='firstName'] {
+        sib-display-value[name='first_name'] {
           @include icon('arrow-down');
           align-items: center;
           display: flex;
@@ -241,7 +241,7 @@
   
         div {
   
-          sib-display-value[name='firstName'] {
+          sib-display-value[name='first_name'] {
             @include icon('close');
   
             &::before {
diff --git a/src/styles/layout/job-offers/job-offers.scss b/src/styles/layout/job-offers/job-offers.scss
index 172e863c38957cfa9fc2d27ce52f13d869763c79..64c41fef906d79162203a31142df0ad0f87e4b94 100644
--- a/src/styles/layout/job-offers/job-offers.scss
+++ b/src/styles/layout/job-offers/job-offers.scss
@@ -75,7 +75,7 @@ sib-job-board {
               margin: 0.25em;
             }
 
-            [name='author.firstName'] {
+            [name='author.first_name'] {
               color: $color-0-0-29;
               font-weight: 600;
             }
diff --git a/src/templates/hd-customer.pug b/src/templates/hd-customer.pug
index 813aa81ac56b09dec28b75a8b2cc23b2e3620781..04e891f245e08a7a0ad0785b211eb634b75a7f05 100644
--- a/src/templates/hd-customer.pug
+++ b/src/templates/hd-customer.pug
@@ -10,7 +10,7 @@ sib-widget(name='hd-customer')
       div
         h3 Contact:
         ul
-          li #[span(class='mdi-account-outline') ${await value.firstName} ${await value.lastName ? await value.lastName : ""}]${await value.role ? `, ${await value.role}` : ""}
+          li #[span(class='mdi-account-outline') ${await value.first_name} ${await value.last_name ? await value.last_name : ""}]${await value.role ? `, ${await value.role}` : ""}
           li
             span(class='link-color norm-weight mdi-email-outline')
               a(href='mailto:${await value.email}') ${await value.email}