diff --git a/l10n_us_mi_hr_payroll/__manifest__.py b/l10n_us_mi_hr_payroll/__manifest__.py
index 8a28dfbe..8411421f 100755
--- a/l10n_us_mi_hr_payroll/__manifest__.py
+++ b/l10n_us_mi_hr_payroll/__manifest__.py
@@ -4,7 +4,7 @@
     'license': 'AGPL-3',
     'category': 'Localization',
     'depends': ['l10n_us_hr_payroll'],
-    'version': '11.0.2019.0.0',
+    'version': '12.0.2019.0.0',
     'description': """
 USA::Michigan Payroll Rules.
 ==================================
diff --git a/l10n_us_mi_hr_payroll/data/rules.xml b/l10n_us_mi_hr_payroll/data/rules.xml
index 788808dd..4d302b1a 100755
--- a/l10n_us_mi_hr_payroll/data/rules.xml
+++ b/l10n_us_mi_hr_payroll/data/rules.xml
@@ -12,7 +12,7 @@
         <field name="amount_select">code</field>
         <field name="amount_python_compute">
 rate = payslip.dict.get_rate('US_MI_UNEMP')
-year = int(payslip.dict.date_to[:4])
+year = payslip.dict.date_to.year
 ytd = payslip.sum('WAGE_US_MI_UNEMP', str(year) + '-01-01', str(year+1) + '-01-01')
 ytd += contract.external_wages
 remaining = rate.wage_limit_year - ytd
diff --git a/l10n_us_mi_hr_payroll/tests/test_us_mi_payslip.py b/l10n_us_mi_hr_payroll/tests/test_us_mi_payslip.py
index 17448df0..ae308f79 100755
--- a/l10n_us_mi_hr_payroll/tests/test_us_mi_payslip.py
+++ b/l10n_us_mi_hr_payroll/tests/test_us_mi_payslip.py
@@ -21,7 +21,7 @@ class TestUsMIPayslip(TestUsPayslip):
         schedule_pay = 'weekly'
         exemptions = 1
         allowance_amount = self.ANNUAL_EXEMPTION_AMOUNT / self.PAY_PERIOD_DIVISOR[schedule_pay]
-        wh = -round((salary - (allowance_amount * exemptions)) * -self.MI_INC_TAX)
+        wh = -((salary - (allowance_amount * exemptions)) * -self.MI_INC_TAX)
 
         employee = self._createEmployee()
         contract = self._createContract(employee,
@@ -100,7 +100,7 @@ class TestUsMIPayslip(TestUsPayslip):
         allowance_amount = self.ANNUAL_EXEMPTION_AMOUNT / self.PAY_PERIOD_DIVISOR[schedule_pay]
         allowances = 2
 
-        wh = -round((salary - (allowance_amount * allowances)) * -self.MI_INC_TAX)
+        wh = -((salary - (allowance_amount * allowances)) * -self.MI_INC_TAX)
 
         employee = self._createEmployee()
         contract = self._createContract(employee, salary, struct_id=self.ref(
@@ -139,7 +139,7 @@ class TestUsMIPayslip(TestUsPayslip):
         allowance_amount = self.ANNUAL_EXEMPTION_AMOUNT / self.PAY_PERIOD_DIVISOR[schedule_pay]
         allowances = 1
 
-        wh = -round((salary - (allowance_amount * allowances)) * -self.MI_INC_TAX)
+        wh = -((salary - (allowance_amount * allowances)) * -self.MI_INC_TAX)
 
         employee = self._createEmployee()
         contract = self._createContract(employee, salary, struct_id=self.ref(
@@ -178,7 +178,7 @@ class TestUsMIPayslip(TestUsPayslip):
         allowance_amount = self.ANNUAL_EXEMPTION_AMOUNT / self.PAY_PERIOD_DIVISOR[schedule_pay]
         allowances = 1
 
-        wh = -round((salary - (allowance_amount * allowances)) * -self.MI_INC_TAX)
+        wh = -((salary - (allowance_amount * allowances)) * -self.MI_INC_TAX)
 
         employee = self._createEmployee()
         contract = self._createContract(employee, salary, struct_id=self.ref(
@@ -259,7 +259,7 @@ class TestUsMIPayslip(TestUsPayslip):
         additional_wh = 40.0
         allowances = 1
 
-        wh = -round(((salary - (allowance_amount * allowances)) * -self.MI_INC_TAX) + additional_wh)
+        wh = -(((salary - (allowance_amount * allowances)) * -self.MI_INC_TAX) + additional_wh)
 
         employee = self._createEmployee()
         contract = self._createContract(employee,