diff --git a/frameworks/blueprint/stylesheets/blueprint/modules/_typography.sass b/frameworks/blueprint/stylesheets/blueprint/modules/_typography.sass
index b4be6f48..091a9308 100644
--- a/frameworks/blueprint/stylesheets/blueprint/modules/_typography.sass
+++ b/frameworks/blueprint/stylesheets/blueprint/modules/_typography.sass
@@ -1,12 +1,15 @@
 @import colors.sass
 @import compass/utilities/links/link_colors.sass
 
+!blueprint_font_family ||= "Helvetica Neue", Helvetica, Arial, sans-serif
+!blueprint_fixed_font_family ||= 'andale mono', 'lucida console', monospace
+
 =normal-text
-  :font-family "Helvetica Neue", Helvetica, Arial, sans-serif
+  :font-family= !blueprint_font_family
   :color= !font_color
 
 =fixed-width-text
-  :font 1em 'andale mono', 'lucida console', monospace
+  :font= 1em !blueprint_fixed_font_family
   :line-height 1.5
 
 =header-text