diff --git a/src/EconumoOneBundle/Domain/Entity/BudgetElementOption.php b/src/EconumoOneBundle/Domain/Entity/BudgetElementOption.php
index a6f21c3f..7f366bf3 100644
--- a/src/EconumoOneBundle/Domain/Entity/BudgetElementOption.php
+++ b/src/EconumoOneBundle/Domain/Entity/BudgetElementOption.php
@@ -12,7 +12,7 @@
 
 class BudgetElementOption
 {
-    public const POSITION_UNSET = -1;
+    public const POSITION_UNSET = 0;
 
     private DateTimeImmutable $createdAt;
 
diff --git a/src/EconumoOneBundle/Infrastructure/Doctrine/Entity/mapping/BudgetElementOption.orm.xml b/src/EconumoOneBundle/Infrastructure/Doctrine/Entity/mapping/BudgetElementOption.orm.xml
index 30e83b3f..df952d36 100644
--- a/src/EconumoOneBundle/Infrastructure/Doctrine/Entity/mapping/BudgetElementOption.orm.xml
+++ b/src/EconumoOneBundle/Infrastructure/Doctrine/Entity/mapping/BudgetElementOption.orm.xml
@@ -13,7 +13,7 @@
         <field name="updatedAt" type="datetime" column="updated_at" nullable="false"/>
         <field name="position" type="smallint" column="position" nullable="false">
             <options>
-                <option name="unsigned">false</option>
+                <option name="unsigned">true</option>
                 <option name="default">0</option>
             </options>
         </field>
diff --git a/src/EconumoOneBundle/Infrastructure/Doctrine/Migration/Version20241019044312.php b/src/EconumoOneBundle/Infrastructure/Doctrine/Migration/Version20241019044312.php
index 15f7a5b7..7c9316bd 100644
--- a/src/EconumoOneBundle/Infrastructure/Doctrine/Migration/Version20241019044312.php
+++ b/src/EconumoOneBundle/Infrastructure/Doctrine/Migration/Version20241019044312.php
@@ -52,7 +52,7 @@ public function up(Schema $schema) : void
         , currency_id CHAR(36) DEFAULT NULL --(DC2Type:uuid)
         , folder_id CHAR(36) DEFAULT NULL --(DC2Type:uuid)
         , created_at DATETIME NOT NULL --(DC2Type:datetime_immutable)
-        , updated_at DATETIME NOT NULL, position SMALLINT DEFAULT 0 NOT NULL, PRIMARY KEY(element_id, element_type, budget_id))');
+        , updated_at DATETIME NOT NULL, position SMALLINT UNSIGNED DEFAULT 0 NOT NULL, PRIMARY KEY(element_id, element_type, budget_id))');
         $this->addSql('CREATE INDEX IDX_519D432336ABA6B8 ON budgets_elements_options (budget_id)');
         $this->addSql('CREATE INDEX IDX_519D432338248176 ON budgets_elements_options (currency_id)');
         $this->addSql('CREATE INDEX IDX_519D4323162CB942 ON budgets_elements_options (folder_id)');