diff --git a/NEWS.md b/NEWS.md
index 8993137e1..1c35e8fdf 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -7,6 +7,7 @@ User-visible changes worth mentioning.
 
 ## master
 
+- [#1214]: Scopes field accepts array.
 - [#1209] Fix tokens validation for Token Introspection request.
 - [#1202] Use correct HTTP status codes for error responses.
 
diff --git a/lib/doorkeeper/models/concerns/scopes.rb b/lib/doorkeeper/models/concerns/scopes.rb
index cdec0b656..b0633df4e 100644
--- a/lib/doorkeeper/models/concerns/scopes.rb
+++ b/lib/doorkeeper/models/concerns/scopes.rb
@@ -7,6 +7,14 @@ def scopes
         OAuth::Scopes.from_string(scopes_string)
       end
 
+      def scopes=(value)
+        if value.is_a? Array
+          super value.join(' ')
+        else
+          super value
+        end
+      end
+
       def scopes_string
         self[:scopes]
       end
diff --git a/spec/requests/protected_resources/private_api_spec.rb b/spec/requests/protected_resources/private_api_spec.rb
index c0fbed8cf..c09cda55e 100644
--- a/spec/requests/protected_resources/private_api_spec.rb
+++ b/spec/requests/protected_resources/private_api_spec.rb
@@ -73,7 +73,7 @@
   end
 
   scenario 'access token with both allowed scopes' do
-    @token.update_attribute :scopes, 'write admin'
+    @token.update_attribute :scopes, %w[write admin]
     with_access_token_header @token.token
     visit '/full_protected_resources/1.json'
     expect(page.body).to have_content('show')