diff --git a/rb/lib/selenium/webdriver/common/driver.rb b/rb/lib/selenium/webdriver/common/driver.rb
index 6a3f44f39e4f2..b59ecf3c58249 100644
--- a/rb/lib/selenium/webdriver/common/driver.rb
+++ b/rb/lib/selenium/webdriver/common/driver.rb
@@ -346,6 +346,8 @@ def add_extensions(browser)
                        Firefox::Driver::EXTENSIONS
                      when :safari, :safari_technology_preview
                        Safari::Driver::EXTENSIONS
+                     when :ie, :internet_explorer
+                       IE::Driver::EXTENSIONS
                      else
                        []
                      end