diff --git a/test/integration/mt_test.rb b/test/integration/mt_test.rb
index 9051ad6..f4d45c6 100644
--- a/test/integration/mt_test.rb
+++ b/test/integration/mt_test.rb
@@ -75,7 +75,7 @@ def test_mt_runs_watch_mode_that_executes_tests_when_files_change # rubocop:disa
       end
 
       # Ignore warning printed to stderr for a known issue with the listen gem
-      stderr.sub!(/^.*\blisten\.rb.*Add logger to your Gemfile or gemspec\.\n/, "")
+      stderr.sub!(/^.*add logger to your Gemfile or gemspec.*\n/i, "")
       assert_empty(stderr)
 
       assert_includes(stdout, "Watching for changes to source and test files.")