diff --git a/models/User.php b/models/User.php
index 5e711cf..8619a9a 100644
--- a/models/User.php
+++ b/models/User.php
@@ -112,6 +112,16 @@ class User {
             $stmt2->bindParam(":partner_id", $partner_id);
             $stmt2->execute();
 
+            $stmt = $this->db->prepare("
+                UPDATE movies m1
+                JOIN movies m2 ON m1.tmdb_id = m2.tmdb_id
+                SET m1.is_common = 1, m2.is_common = 1
+                WHERE m1.user_id = ? AND m2.user_id = ?
+            ");
+            $stmt->execute([$current_user_id, $partner_id]);
+
+            return ["success" => true];
+
             $this->conn->commit();
             return ["success" => true, "message" => "Comptes liés avec succès !"];