diff --git a/src/UnicaenSiham/Service/Siham.php b/src/UnicaenSiham/Service/Siham.php
index ddd36e1712e4bbf1d6f6ca2762aca6af20d58099..f248d624fd92ad4948850e39576d9a760be2f332 100644
--- a/src/UnicaenSiham/Service/Siham.php
+++ b/src/UnicaenSiham/Service/Siham.php
@@ -1285,6 +1285,8 @@ class Siham
                 foreach ($result->return as $value) {
                     $unitesOrganisationnelles[$value->codeUO] = $value->libLongUO;
                 }
+                
+                ksort($unitesOrganisationnelles);
 
                 return $unitesOrganisationnelles;
             }