diff --git a/lib/front_end_architect/blender.rb b/lib/front_end_architect/blender.rb
index <HASH>..<HASH> 100644
--- a/lib/front_end_architect/blender.rb
+++ b/lib/front_end_architect/blender.rb
@@ -280,7 +280,7 @@ module FrontEndArchitect
               %Q!url(#{$2}#{$3})!
             end
           end
-        if @options[:cache_buster]
+        elsif @options[:cache_buster]
           input = input.gsub(URL_REGEX) do
             unless uri.match(/^(https:\/\/|http:\/\/|\/\/)/)
               uri = $2
Fixing an error with an if statement killing the proccess.