diff --git a/README.md b/README.md
index 7e7df21..d5c8b59 100644
--- a/README.md
+++ b/README.md
@@ -85,6 +85,8 @@ is maintained by [Ryan Boland](https://ryanboland.com) and [awesome contributors
 
 ## Changelog
 
+- **2.1.2**
+  - [Correct reference to SassC::Script::Value::String](https://github.com/sass/sassc-rails/pull/129)
 - **2.1.1**
   - [Fix Scaffolding](https://github.com/sass/sassc-rails/pull/119)
 - **2.1.0**
diff --git a/lib/sassc/rails/functions.rb b/lib/sassc/rails/functions.rb
index e621d4c..fbb84dc 100644
--- a/lib/sassc/rails/functions.rb
+++ b/lib/sassc/rails/functions.rb
@@ -5,7 +5,7 @@
 module Sprockets
   module SassFunctions
     def asset_data_url(path)
-      SassC::Script::String.new("url(" + sprockets_context.asset_data_uri(path.value) + ")")
+      ::SassC::Script::Value::String.new("url(" + sprockets_context.asset_data_uri(path.value) + ")")
     end
   end
 end
diff --git a/lib/sassc/rails/version.rb b/lib/sassc/rails/version.rb
index b3fc08c..e280906 100644
--- a/lib/sassc/rails/version.rb
+++ b/lib/sassc/rails/version.rb
@@ -2,6 +2,6 @@
 
 module SassC
   module Rails
-    VERSION = "2.1.1"
+    VERSION = "2.1.2"
   end
 end