diff --git a/searx/engines/derpibooru.py b/searx/engines/derpibooru.py
index 8e231b0ee..6a80f1dfc 100644
--- a/searx/engines/derpibooru.py
+++ b/searx/engines/derpibooru.py
@@ -37,8 +37,14 @@ def clean_url(url):
 
 def request(query, params):
     params['url'] = search_url + urlencode(
-        {'q': query, 'filter_id': filter_id, 'page': params['pageno'], 'per_page': page_size, 'sf': sort_field,
-         'sd': sort_direction}
+        {
+            'q': query,
+            'filter_id': filter_id,
+            'page': params['pageno'],
+            'per_page': page_size,
+            'sf': sort_field,
+            'sd': sort_direction,
+        }
     )
     logger.debug("query_url --> %s", params['url'])
     return params