diff --git a/Library/Homebrew/test/cmd/--cache_spec.rb b/Library/Homebrew/test/cmd/--cache_spec.rb
index fc467f5793..14397bbfb0 100644
--- a/Library/Homebrew/test/cmd/--cache_spec.rb
+++ b/Library/Homebrew/test/cmd/--cache_spec.rb
@@ -23,7 +23,12 @@ describe "brew --cache", :integration_test do
 
   it "prints the cache files for a given Formula and Cask" do
     expect { brew "--cache", testball, cask_path("local-caffeine") }
-      .to output(%r{#{HOMEBREW_CACHE}/downloads/[\da-f]{64}--testball-.*\ncask: #{HOMEBREW_CACHE}/downloads/[\da-f]{64}--caffeine\.zip}).to_stdout
+      .to output(
+        %r{
+          #{HOMEBREW_CACHE}/downloads/[\da-f]{64}--testball-.*\n
+          cask:\s#{HOMEBREW_CACHE}/downloads/[\da-f]{64}--caffeine\.zip
+        }x,
+      ).to_stdout
       .and not_to_output.to_stderr
       .and be_a_success
   end