diff --git a/wagtailmedia/wagtail_hooks.py b/wagtailmedia/wagtail_hooks.py
index 222399f9..fe013da1 100644
--- a/wagtailmedia/wagtail_hooks.py
+++ b/wagtailmedia/wagtail_hooks.py
@@ -115,7 +115,7 @@ def register_custom_media_feature(features):
     if WAGTAIL_VERSION < (2, 5):
         features.register_embed_type(embed_type='media', handler=MediaEmbedHandler)
     else:
-        features.register_embed_type(handler=MediaEmbedHandler)
+        features.register_embed_type(MediaEmbedHandler)
 
     feature_name = 'wagtailmedia'