diff --git a/app/graphql/util/error_builder.rb b/app/graphql/util/error_builder.rb
index 1167cc35..0be64ffc 100644
--- a/app/graphql/util/error_builder.rb
+++ b/app/graphql/util/error_builder.rb
@@ -2,9 +2,9 @@
 module Util
   class ErrorBuilder
     def self.build_errors(context, errors)
-      errors.map do |attr, message|
-        message = "#{attr}: #{message}"
-        context.add_error(GraphQL::ExecutionError.new(message, extensions: { code: 'INPUT_ERROR', attribute: attr }))
+      errors.each do |error|
+        message = "#{error.attribute}: #{error.message}"
+        context.add_error(GraphQL::ExecutionError.new(message, extensions: { code: 'INPUT_ERROR', attribute: error.attribute }))
       end
       return
     end