diff --git a/app/assets/stylesheets/backoffice.scss b/app/assets/stylesheets/backoffice.scss
index 615ed43a8..539f0c37c 100644
--- a/app/assets/stylesheets/backoffice.scss
+++ b/app/assets/stylesheets/backoffice.scss
@@ -11,6 +11,10 @@
       height: auto;
     }
   }
+  .fixed-right {
+    position: fixed;
+    right: 20px;
+  }
 }
 
 #pref_list {
diff --git a/app/assets/stylesheets/dossiers.scss b/app/assets/stylesheets/dossiers.scss
index e69d8bb19..c0804e990 100644
--- a/app/assets/stylesheets/dossiers.scss
+++ b/app/assets/stylesheets/dossiers.scss
@@ -70,4 +70,3 @@ h5 span {
   border-bottom: 1px solid #FFFFFF;
   margin: 20px 10px 0px 0;
 }
-
diff --git a/app/views/backoffice/dossiers/_pref_list.html.haml b/app/views/backoffice/dossiers/_pref_list.html.haml
index 0cb0f9d1e..3f43e9f93 100644
--- a/app/views/backoffice/dossiers/_pref_list.html.haml
+++ b/app/views/backoffice/dossiers/_pref_list.html.haml
@@ -1,4 +1,4 @@
-%button#pref_list_dossier_close_action.btn.btn-danger.btn-xs{style:'float:right'}
+%button#pref_list_dossier_close_action.btn.btn-danger.btn-xs.fixed-right
   %i.fa.fa-close
 %h3
   =t('dynamics.backoffice.pref_list.title')