diff --git a/lib/html-proofer/runner.rb b/lib/html-proofer/runner.rb
index 6b57d86a..30ef3d93 100644
--- a/lib/html-proofer/runner.rb
+++ b/lib/html-proofer/runner.rb
@@ -53,6 +53,7 @@ def run
       if @failures.empty?
         @logger.log :info, 'HTML-Proofer finished successfully.'
       else
+        @failures.uniq!
         print_failed_tests
       end
     end