diff --git a/spec/lib/oauth/client_credentials_request_spec.rb b/spec/lib/oauth/client_credentials_request_spec.rb
index fdc548b2c..e26de1f3c 100644
--- a/spec/lib/oauth/client_credentials_request_spec.rb
+++ b/spec/lib/oauth/client_credentials_request_spec.rb
@@ -13,7 +13,7 @@ module Doorkeeper::OAuth
       )
     end
 
-    let(:application)   { double :application, scopes: Scopes.from_string('') }
+    let(:application)   { FactoryBot.create(:application, scopes: '') }
     let(:client)        { double :client, application: application }
     let(:token_creator) { double :issuer, create: true, token: double }
 
diff --git a/spec/lib/oauth/token_request_spec.rb b/spec/lib/oauth/token_request_spec.rb
index 4396010fd..e6cc15c83 100644
--- a/spec/lib/oauth/token_request_spec.rb
+++ b/spec/lib/oauth/token_request_spec.rb
@@ -3,8 +3,7 @@
 module Doorkeeper::OAuth
   describe TokenRequest do
     let :application do
-      scopes = double(all: ['public'])
-      double(:application, id: 9990, scopes: scopes)
+      FactoryBot.create(:application, scopes: "public")
     end
 
     let :pre_auth do