diff --git a/lib/travis/api/app/endpoint/authorization.rb b/lib/travis/api/app/endpoint/authorization.rb
index a070431837..bd1af572ee 100644
--- a/lib/travis/api/app/endpoint/authorization.rb
+++ b/lib/travis/api/app/endpoint/authorization.rb
@@ -435,7 +435,7 @@ def generate_token(options)
 
         def acceptable?(scopes, lossy = false)
           Travis::Github::Oauth.wanted_scopes.all? do |scope|
-            acceptable_scopes_for(scope, lossy).any? { |s| scopes.include? s }
+            acceptable_scopes_for(scope, lossy).any? { |s| scopes&.include? s }
           end
         end