diff --git a/src/Form/Storage/DatabaseMigration.php b/src/Form/Storage/DatabaseMigration.php
index 7b18ffa..6bb394c 100644
--- a/src/Form/Storage/DatabaseMigration.php
+++ b/src/Form/Storage/DatabaseMigration.php
@@ -55,10 +55,22 @@ class DatabaseMigration implements FormInterface
                         previous: $def ?? null,
                     );
 
+                    $column = $tableEntity->columns->filtersOne(fn($e) => strtolower($e->name) === $field);
+
                     # Column do not exists
-                    if ( $tableEntity->columns->filtersCollection(fn($e) => strtolower($e->name) === $field)->count() === 0 ) {
+                    if ( $column === null ) {
                         $def->action = "add";
 
+                        $def->modifier = new Lib\Database\Modifier(
+                            type: Lib\Database\ModifierTypeEnum::Alter,
+                            query: $entity::repository()
+                                ->alterSqlQuery([ $def->toArray() ])
+                                ->getSqlQuery(true)
+                        );
+                    }
+                    elseif ( ! $column->matchFieldDefinition($definition) ) {
+                        $def->action = "change";
+
                         $def->modifier = new Lib\Database\Modifier(
                             type: Lib\Database\ModifierTypeEnum::Alter,
                             query: $entity::repository()
@@ -68,6 +80,7 @@ class DatabaseMigration implements FormInterface
                     }
                 }
 
+                # ALTER TABLE `ajustements` CHANGE `annee` `annee` INT(11) NULL;
                 $alter = $this->definition[$entity]['columns']->filterAlter();
 
                 if ( $alter->count() ) {