diff --git a/app/models/api_key_scope.rb b/app/models/api_key_scope.rb
index a0b86bf590b..b829ae479a6 100644
--- a/app/models/api_key_scope.rb
+++ b/app/models/api_key_scope.rb
@@ -120,7 +120,11 @@ class ApiKeyScope < ActiveRecord::Base
             defaults = route.defaults
             action = "#{defaults[:controller].to_s}##{defaults[:action]}"
             path = route.path.spec.to_s.gsub(/\(\.:format\)/, '')
-            api_supported_path = path.end_with?('.rss') || route.path.requirements[:format]&.match?('json')
+            api_supported_path = (
+              path.end_with?('.rss') ||
+              !route.path.requirements[:format] ||
+              route.path.requirements[:format].match?('json')
+            )
             excluded_paths = %w[/new-topic /new-message /exception]
 
             if actions.include?(action) && api_supported_path && !excluded_paths.include?(path)