diff --git a/vendor/assets/javascripts/hamlcoffee.js.coffee.erb b/vendor/assets/javascripts/hamlcoffee.js.coffee.erb
index b4b460b..9548511 100644
--- a/vendor/assets/javascripts/hamlcoffee.js.coffee.erb
+++ b/vendor/assets/javascripts/hamlcoffee.js.coffee.erb
@@ -74,9 +74,9 @@ class window.HAML
   # @return [String] the preserved text
   #
   @findAndPreserve: (text) ->
-    tags = '<%= HamlCoffeeAssets.config.preserveTags %>'.split(',').join('|')
+    tags = '<%= ::HamlCoffeeAssets.config.preserveTags %>'.split(',').join('|')
     text = text.replace ///<(#{ tags })>([^]*?)<\/\1>///g, (str, tag, content) ->
-        "<#{ tag }>#{ <%= HamlCoffeeAssets.config.customPreserve %>(content) }</#{ tag }>"
+        "<#{ tag }>#{ <%= ::HamlCoffeeAssets.config.customPreserve %>(content) }</#{ tag }>"
 
   # The surround helper surrounds the function output
   # with the start and end string without whitespace in between.
diff --git a/vendor/assets/javascripts/hamlcoffee_amd.js.coffee.erb b/vendor/assets/javascripts/hamlcoffee_amd.js.coffee.erb
index bf4060a..9b203a6 100644
--- a/vendor/assets/javascripts/hamlcoffee_amd.js.coffee.erb
+++ b/vendor/assets/javascripts/hamlcoffee_amd.js.coffee.erb
@@ -47,9 +47,9 @@ define ->
   # @return [String] the preserved text
   #
   findAndPreserve: (text) ->
-    tags = '<%= HamlCoffeeAssets.config.preserveTags %>'.split(',').join('|')
+    tags = '<%= ::HamlCoffeeAssets.config.preserveTags %>'.split(',').join('|')
     text = text.replace ///<(#{ tags })>([^]*?)<\/\1>/// g, (str, tag, content) ->
-      "<#{ tag }>#{ <%= HamlCoffeeAssets.config.customPreserve %>(content) }</#{ tag }>"
+      "<#{ tag }>#{ <%= ::HamlCoffeeAssets.config.customPreserve %>(content) }</#{ tag }>"
 
   # The surround helper surrounds the function output
   # with the start and end string without whitespace in between.