diff --git a/app/services/access_token_validation_service.rb b/app/services/access_token_validation_service.rb
index ddaaed90e5befeec1f27f45c155bc8c3ca583a10..b2a543daa00ccae857a0aa41b29470b938955d44 100644
--- a/app/services/access_token_validation_service.rb
+++ b/app/services/access_token_validation_service.rb
@@ -1,10 +1,16 @@
-AccessTokenValidationService = Struct.new(:token) do
+class AccessTokenValidationService
   # Results:
   VALID = :valid
   EXPIRED = :expired
   REVOKED = :revoked
   INSUFFICIENT_SCOPE = :insufficient_scope
 
+  attr_reader :token
+
+  def initialize(token)
+    @token = token
+  end
+
   def validate(scopes: [])
     if token.expired?
       return EXPIRED