diff --git a/src/wuttaweb/forms/schema.py b/src/wuttaweb/forms/schema.py
index 07502e6..e4c3703 100644
--- a/src/wuttaweb/forms/schema.py
+++ b/src/wuttaweb/forms/schema.py
@@ -164,9 +164,13 @@ class WuttaMoney(colander.Money):
     by default.
 
     :param request: Current :term:`request` object.
+
+    :param scale: If this kwarg is specified, it will be passed along
+       to the widget constructor.
     """
 
     def __init__(self, request, *args, **kwargs):
+        self.scale = kwargs.pop('scale', None)
         super().__init__(*args, **kwargs)
         self.request = request
         self.config = self.request.wutta_config
@@ -174,6 +178,8 @@ class WuttaMoney(colander.Money):
 
     def widget_maker(self, **kwargs):
         """ """
+        if self.scale:
+            kwargs.setdefault('scale', self.scale)
         return widgets.WuttaMoneyInputWidget(self.request, **kwargs)
 
 
diff --git a/src/wuttaweb/forms/widgets.py b/src/wuttaweb/forms/widgets.py
index 7b3e4be..1d3035c 100644
--- a/src/wuttaweb/forms/widgets.py
+++ b/src/wuttaweb/forms/widgets.py
@@ -206,9 +206,13 @@ class WuttaMoneyInputWidget(MoneyInputWidget):
     * ``moneyinput``
 
     :param request: Current :term:`request` object.
+
+    :param scale: If this kwarg is specified, it will be passed along
+       to ``render_currency()`` call.
     """
 
     def __init__(self, request, *args, **kwargs):
+        self.scale = kwargs.pop('scale', 2)
         super().__init__(*args, **kwargs)
         self.request = request
         self.config = self.request.wutta_config
@@ -221,7 +225,8 @@ class WuttaMoneyInputWidget(MoneyInputWidget):
             if cstruct in (colander.null, None):
                 return HTML.tag('span')
             cstruct = decimal.Decimal(cstruct)
-            return HTML.tag('span', c=[self.app.render_currency(cstruct)])
+            text = self.app.render_currency(cstruct, scale=self.scale)
+            return HTML.tag('span', c=[text])
 
         return super().serialize(field, cstruct, **kw)
 
diff --git a/tests/forms/test_schema.py b/tests/forms/test_schema.py
index b7b68c4..2a37aa5 100644
--- a/tests/forms/test_schema.py
+++ b/tests/forms/test_schema.py
@@ -85,9 +85,18 @@ class TestWuttaMoney(WebTestCase):
 
     def test_widget_maker(self):
         enum = self.app.enum
+
+        # default scale
         typ = mod.WuttaMoney(self.request)
         widget = typ.widget_maker()
         self.assertIsInstance(widget, widgets.WuttaMoneyInputWidget)
+        self.assertEqual(widget.scale, 2)
+
+        # custom scale
+        typ = mod.WuttaMoney(self.request, scale=4)
+        widget = typ.widget_maker()
+        self.assertIsInstance(widget, widgets.WuttaMoneyInputWidget)
+        self.assertEqual(widget.scale, 4)
 
 
 class TestWuttaQuantity(WebTestCase):