diff --git a/src/invidious/data_structs/youtube/renderers/category.cr b/src/invidious/data_structs/youtube/renderers/category.cr
index 5c29548b..4b74a68f 100644
--- a/src/invidious/data_structs/youtube/renderers/category.cr
+++ b/src/invidious/data_structs/youtube/renderers/category.cr
@@ -19,7 +19,7 @@ module YouTubeStructs
     property badges : Array(Tuple(String, String))?
 
     # Extracts all renderers out of the category's contents.
-    def extract_renderers()
+    def extract_renderers
       target = [] of Renderer
 
       @contents.each { |cate_i| target << cate_i if !cate_i.is_a? Video }