diff --git a/rb/lib/selenium/webdriver/common/service.rb b/rb/lib/selenium/webdriver/common/service.rb
index 02affad04549f..e20f7569db28c 100644
--- a/rb/lib/selenium/webdriver/common/service.rb
+++ b/rb/lib/selenium/webdriver/common/service.rb
@@ -89,7 +89,7 @@ def initialize(path: nil, port: nil, log: nil, args: nil)
       def launch
         @executable_path ||= begin
           default_options = WebDriver.const_get("#{self.class.name&.split('::')&.[](2)}::Options").new
-          DriverFinder.new(default_options, self.class).driver_path
+          DriverFinder.new(default_options, self).driver_path
         end
         ServiceManager.new(self).tap(&:start)
       end