diff --git a/disco/api/client.py b/disco/api/client.py
index ef6a6fa..40f4c51 100644
--- a/disco/api/client.py
+++ b/disco/api/client.py
@@ -585,7 +585,7 @@ class APIClient(LoggingClass):
         return Channel.create(self.client, r.json())
 
     def invites_get(self, invite, with_counts=None):
-        r = self.http(Routes.INVITES_GET, dict(invite=invite), json=optional(with_counts=with_counts))
+        r = self.http(Routes.INVITES_GET, dict(invite=invite), params=optional(with_counts=with_counts))
         return Invite.create(self.client, r.json())
 
     def invites_delete(self, invite, reason=None):