diff --git a/lib/compass/configuration.rb b/lib/compass/configuration.rb
index bf12d98f..eaa5b8a4 100644
--- a/lib/compass/configuration.rb
+++ b/lib/compass/configuration.rb
@@ -143,7 +143,7 @@ module Compass
       end
     end
 
-    def root_relative(path)
+    def http_root_relative(path)
       hp = http_path || default_http_path
       hp = hp[0..-2] if hp[-1..-1] == "/"
       "#{hp}/#{path}"
diff --git a/lib/compass/sass_extensions/functions/urls.rb b/lib/compass/sass_extensions/functions/urls.rb
index 06103623..d37e8044 100644
--- a/lib/compass/sass_extensions/functions/urls.rb
+++ b/lib/compass/sass_extensions/functions/urls.rb
@@ -8,7 +8,7 @@ module Compass::SassExtensions::Functions::Urls
     elsif Compass.configuration.http_stylesheets_path
       Compass.configuration.http_stylesheets_path
     else
-      Compass.configuration.root_relative(Compass.configuration.css_dir)
+      Compass.configuration.http_root_relative(Compass.configuration.css_dir)
     end
 
     url("#{http_stylesheets_path}/#{path}")
@@ -28,7 +28,7 @@ module Compass::SassExtensions::Functions::Urls
     elsif Compass.configuration.http_images_path
       Compass.configuration.http_images_path
     else
-      Compass.configuration.root_relative(Compass.configuration.images_dir)
+      Compass.configuration.http_root_relative(Compass.configuration.images_dir)
     end
 
     # Compute the real path to the image on the file stystem if the images_dir is set.