diff --git a/WEB/Model/AdminModel.php b/WEB/Model/AdminModel.php
index 7190f825..5c696a1a 100644
--- a/WEB/Model/AdminModel.php
+++ b/WEB/Model/AdminModel.php
@@ -16,7 +16,7 @@ class AdminModel
 
     public function  addNewEnigmeSolo(string $nom,string $enonce,string $aide,string $rappel,string $exemple,string $test,string $solution, string $prompt) : Enigme
     {
-        $last = $this->enigme_gateway->findLastEnigma();
+        $last = $this->enigme_gateway->findLastEnigmaByOrdre();
         if ($last != null){
             $ordre = $last[0]->getOrdre() + 1;
         } else {
@@ -44,11 +44,32 @@ async function submit(){
         return $tabEnigme[0];
     }
 
+    private function majOrdreAfterDelete(int $ordre){
+      $lesEnigmes = $this->enigme_gateway->findSoloEnigma();
+      if ($lesEnigmes == null) {
+        return;
+      }
+      $lastOrdre = $this->enigme_gateway->findLastEnigmaByOrdre()[0]->getOrdre();
+      if ($ordre > $lastOrdre) {
+        return;
+      }
+      foreach ($lesEnigmes as $enigme) {
+        if ($enigme->getOrdre() <= $ordre) {
+          continue;
+        }
+        $enigme->setOrdre($enigme->getOrdre()-1);
+        $this->enigme_gateway->update($enigme);
+      }
+    }
+
     public function deleteEnigme(int $id) : void
     {
-      $nom = $this->enigme_gateway->findById($id)[0]->getNom();
+      $enigme = $this->enigme_gateway->findById($id)[0];
+      $nom = $enigme->getNom();
+      $ordre = $enigme->getOrdre();
       $this->enigme_gateway->delete($id);
       unlink('View/src/JS/'.$nom.'.js');
+      $this->majOrdreAfterDelete($ordre);
     }
 
     public function getEnigmesSolo() : array