diff --git a/purchase.py b/purchase.py
index 03c1bb9d79..060a4e290e 100644
--- a/purchase.py
+++ b/purchase.py
@@ -15,6 +15,8 @@ from trytond.tools import sortable_values
 from trytond.transaction import Transaction
 from trytond.wizard import Wizard, StateView, StateTransition, Button
 
+from trytond.modules.currency.fields import Monetary
+
 from .exceptions import PreviousQuotation
 
 
@@ -289,14 +291,13 @@ class QuotationLine(ModelSQL, ModelView):
     product_uom_category = fields.Function(
         fields.Many2One('product.uom.category', 'Product Uom Category'),
         'on_change_with_product_uom_category')
-    unit_price = fields.Numeric('Unit Price', digits=price_digits)
+    unit_price = Monetary(
+        "Unit Price", currency='currency', digits=price_digits)
     currency = fields.Many2One('currency.currency', 'Currency',
         states={
             'required': Bool(Eval('unit_price')),
             },
         depends=['unit_price'])
-    currency_digits = fields.Function(
-        fields.Integer('Currency Digits'), 'on_change_with_currency_digits')
     request = fields.Many2One('purchase.request', 'Request',
         ondelete='CASCADE', select=True, required=True,
         domain=[
@@ -364,12 +365,6 @@ class QuotationLine(ModelSQL, ModelView):
         if self.product:
             return self.product.default_uom_category.id
 
-    @fields.depends('currency')
-    def on_change_with_currency_digits(self, name=None):
-        if self.currency:
-            return self.currency.digits
-        return None
-
     @classmethod
     def get_quotation_state(cls):
         pool = Pool()
diff --git a/view/purchase_request_quotation_line_form.xml b/view/purchase_request_quotation_line_form.xml
index 2b51731487..c800a0ed7c 100644
--- a/view/purchase_request_quotation_line_form.xml
+++ b/view/purchase_request_quotation_line_form.xml
@@ -16,7 +16,7 @@ this repository contains the full copyright notices and license terms. -->
             <label name="unit"/>
             <field name="unit"/>
             <label name="unit_price"/>
-            <field name="unit_price"/>
+            <field name="unit_price" symbol=""/>
             <label name="currency"/>
             <field name="currency"/>
 
diff --git a/view/purchase_request_quotation_line_list.xml b/view/purchase_request_quotation_line_list.xml
index 295f510e5d..ca09dec691 100644
--- a/view/purchase_request_quotation_line_list.xml
+++ b/view/purchase_request_quotation_line_list.xml
@@ -7,5 +7,5 @@ this repository contains the full copyright notices and license terms. -->
     <field name="product" expand="1"/>
     <field name="description" expand="1"/>
     <field name="quantity" symbol="unit"/>
-    <field name="unit_price" symbol="currency"/>
+    <field name="unit_price"/>
 </tree>
diff --git a/view/purchase_request_quotation_line_list_request.xml b/view/purchase_request_quotation_line_list_request.xml
index 72aa8e5742..96fbeae5f4 100644
--- a/view/purchase_request_quotation_line_list_request.xml
+++ b/view/purchase_request_quotation_line_list_request.xml
@@ -6,6 +6,6 @@ this repository contains the full copyright notices and license terms. -->
     <field name="supply_date"/>
     <field name="supplier" expand="1"/>
     <field name="quantity" symbol="unit"/>
-    <field name="unit_price" symbol="currency"/>
+    <field name="unit_price"/>
     <field name="quotation_state"/>
 </tree>