diff --git a/app/controllers/devise_token_auth/concerns/set_user_by_token.rb b/app/controllers/devise_token_auth/concerns/set_user_by_token.rb
index 364ff9b6a..027a9261a 100644
--- a/app/controllers/devise_token_auth/concerns/set_user_by_token.rb
+++ b/app/controllers/devise_token_auth/concerns/set_user_by_token.rb
@@ -62,7 +62,7 @@ def set_user_by_token(mapping = nil)
     # ensure we clear the client
     unless @token.present?
       @token.client = nil
-      return false
+      return
     end
 
     # mitigate timing attacks by finding by uid instead of auth token