diff --git a/searx/settings.yml b/searx/settings.yml
index c3cfafa5c..19b30c781 100644
--- a/searx/settings.yml
+++ b/searx/settings.yml
@@ -927,21 +927,21 @@ engines:
   - name: fireball
     engine: fireball
     shortcut: fire
-    category: general
+    categories: general
     fireball_category: web
     disabled: true
 
   - name: fireball news
     engine: fireball
     shortcut: firen
-    category: news
+    categories: news
     fireball_category: news
     disabled: true
 
   - name: fireball videos
     engine: fireball
     shortcut: firev
-    category: videos
+    categories: videos
     fireball_category: videos
     disabled: true