diff --git a/lib/merge_hris_client/models/employee_payroll_run.rb b/lib/merge_hris_client/models/employee_payroll_run.rb
index 395e453..ccaa78e 100644
--- a/lib/merge_hris_client/models/employee_payroll_run.rb
+++ b/lib/merge_hris_client/models/employee_payroll_run.rb
@@ -269,7 +269,7 @@ def _deserialize(type, value)
       when :Date
         Date.parse(value)
       when :String
-        value.to_s
+        value
       when :Integer
         value.to_i
       when :Float