diff --git a/test/application_system_test_case.rb b/test/application_system_test_case.rb
index 8b552e3b7..44d2c83db 100644
--- a/test/application_system_test_case.rb
+++ b/test/application_system_test_case.rb
@@ -59,7 +59,8 @@ class ApplicationSystemTestCase < ActionDispatch::SystemTestCase
   end
 
   def clear_downloaded_files
-    FileUtils.rm downloaded_files
+    # https://github.com/SeleniumHQ/selenium/issues/5292
+    FileUtils.rm downloaded_files if Redmine::Platform.mswin?
   end
 
   def downloaded_files(filename='*')