diff --git a/lib/jasmine/headless/files_list.rb b/lib/jasmine/headless/files_list.rb
index 9130ab2..f34fb38 100644
--- a/lib/jasmine/headless/files_list.rb
+++ b/lib/jasmine/headless/files_list.rb
@@ -70,7 +70,7 @@ module Jasmine::Headless
     end
 
     def files
-      required_files.collect { |file| file.send(:required_assets).collect { |asset| asset.pathname.to_s } }.flatten.uniq
+      required_files.collect { |file| file.to_a.collect { |asset| asset.pathname.to_s } }.flatten.uniq
     end
 
     def spec_files
@@ -233,7 +233,7 @@ module Jasmine::Headless
     end
 
     def add_path(path, type)
-      asset = sprockets_environment.find_asset(path, :bundle => false)
+      asset = sprockets_environment.find_asset(path)
 
       @required_files << asset
 
diff --git a/spec/lib/jasmine/headless/files_list_spec.rb b/spec/lib/jasmine/headless/files_list_spec.rb
index 8e9d571..219f5b3 100644
--- a/spec/lib/jasmine/headless/files_list_spec.rb
+++ b/spec/lib/jasmine/headless/files_list_spec.rb
@@ -122,8 +122,8 @@ describe Jasmine::Headless::FilesList do
     let(:path_two) { 'two' }
     let(:path_three) { 'three' }
 
-    let(:file_one) { stub(:required_assets => [ asset_one, asset_two ] ) }
-    let(:file_two) { stub(:required_assets => [ asset_two, asset_three ] ) }
+    let(:file_one) { stub(:to_a => [ asset_one, asset_two ] ) }
+    let(:file_two) { stub(:to_a => [ asset_two, asset_three ] ) }
 
     let(:asset_one) { stub(:pathname => Pathname(path_one)) }
     let(:asset_two) { stub(:pathname => Pathname(path_two)) }