diff --git a/tailbone/forms/renderers/common.py b/tailbone/forms/renderers/common.py
index 1769080e..5d2aa330 100644
--- a/tailbone/forms/renderers/common.py
+++ b/tailbone/forms/renderers/common.py
@@ -159,7 +159,9 @@ class CurrencyFieldRenderer(formalchemy.FieldRenderer):
         value = self.raw_value
         if value is None:
             return ''
-        return '$ {0:0,.2f}'.format(value)
+        # TODO: Add py2.6-compatible way to include thousands separator
+        # (comma).  Apparently the ',' trick is py2.7+ only.
+        return '$ {0:0.2f}'.format(value)
 
 
 class YesNoFieldRenderer(CheckBoxFieldRenderer):