1 files changed, 1 insertions, 1 deletions
diff --git a/Rakefile b/Rakefile
index f252bae..60c961a 100644
--- a/Rakefile
+++ b/Rakefile
@@ -34,7 +34,7 @@ task :test do
     }
   }
 
-  dir = ENV['BUILD_DEST'] || './_site'
+  dir = ENV.fetch('BUILD_DEST', './_site')
   HTMLProofer.check_directory(dir, options).run
 end