diff --git a/spec/views/notices/_backtrace.html.haml_spec.rb b/spec/views/notices/_backtrace.html.haml_spec.rb
index 43c1ce2..07dca60 100644
--- a/spec/views/notices/_backtrace.html.haml_spec.rb
+++ b/spec/views/notices/_backtrace.html.haml_spec.rb
@@ -2,17 +2,15 @@ require 'spec_helper'
 
 describe "notices/_backtrace.html.haml" do
   describe 'missing file in backtrace' do
-    before do
-      @notice = Fabricate(:notice, :backtrace => [{
-        'number'  => rand(999),
-        'file'    => nil,
-        'method'  => ActiveSupport.methods.shuffle.first
-      }])
-      assign :app, @notice.err.app
+    let(:notice) do
+      backtrace = { 'number' => rand(999), 'file' => nil, 'method' => ActiveSupport.methods.shuffle.first }
+      Fabricate(:notice, :backtrace => [backtrace])
     end
 
     it "should replace nil file with [unknown source]" do
-      render "notices/backtrace", :lines => @notice.backtrace
+      assign :app, notice.err.app
+
+      render "notices/backtrace", :lines => notice.backtrace
       rendered.should match(/\[unknown source\]/)
     end
   end
--
libgit2 0.21.2