diff --git a/api/database.php b/api/database.php
index a807006..271aa39 100644
--- a/api/database.php
+++ b/api/database.php
@@ -489,6 +489,14 @@ if (empty($recipeTagsTables)) {
             sort_order INTEGER DEFAULT 0
         );
     ");
+}
+// Migration: add keywords column to recipe_tags if missing
+$rtCols = array_column($db->query("PRAGMA table_info(recipe_tags)")->fetchAll(), 'name');
+if (!in_array('keywords', $rtCols)) {
+    try { $db->exec("ALTER TABLE recipe_tags ADD COLUMN keywords TEXT DEFAULT ''"); }
+    catch (PDOException $e) { if (strpos($e->getMessage(), 'duplicate column') === false) throw $e; }
+}
+    
     $db->exec("INSERT INTO recipe_tags (key, label, icon, sort_order) VALUES
         ('cocktail', 'Cocktail', '🍹', 1),
         ('sans_alcool', 'Sans alcool', '🚫', 2),