1 files changed, 10 insertions, 0 deletions
diff --git a/django/db/models/fields/__init__.py b/django/db/models/fields/__init__.py
index 8fa091dd76..5b7adb2fb9 100644
--- a/django/db/models/fields/__init__.py
+++ b/django/db/models/fields/__init__.py
@@ -919,11 +919,21 @@ class PhoneNumberField(IntegerField):
 class PositiveIntegerField(IntegerField):
     def get_manipulator_field_objs(self):
         return [oldforms.PositiveIntegerField]
+    
+    def formfield(self, **kwargs):
+        defaults = {'min_value': 0}
+        defaults.update(kwargs)
+        return super(PositiveIntegerField, self).formfield(**defaults) 
 
 class PositiveSmallIntegerField(IntegerField):
     def get_manipulator_field_objs(self):
         return [oldforms.PositiveSmallIntegerField]
 
+    def formfield(self, **kwargs):
+        defaults = {'min_value': 0}
+        defaults.update(kwargs)
+        return super(PositiveSmallIntegerField, self).formfield(**defaults) 
+
 class SlugField(CharField):
     def __init__(self, *args, **kwargs):
         kwargs['max_length'] = kwargs.get('max_length', 50)