diff --git a/l10n_us_nj_hr_payroll/data/rules_2018.xml b/l10n_us_nj_hr_payroll/data/rules_2018.xml
index 0641e08f..c581bd9a 100755
--- a/l10n_us_nj_hr_payroll/data/rules_2018.xml
+++ b/l10n_us_nj_hr_payroll/data/rules_2018.xml
@@ -201,6 +201,9 @@ else:
         <field name="amount_python_compute">
 result_rate = -contract.nj_wf_rate(2018)
 result = categories.NJ_WF_WAGES
+
+if result_rate == 0.0:
+  result = 0.0
         </field>
         <field name="register_id" ref="contrib_register_njdor_wf"/>
         <field name="appears_on_payslip" eval="False"/>