--- a/testing/marionette/driver.js
+++ b/testing/marionette/driver.js
@@ -3259,16 +3259,17 @@ GeckoDriver.prototype.commands = {
   "Marionette:SetContext": GeckoDriver.prototype.setContext,
   "setContext": GeckoDriver.prototype.setContext,  // deprecated, remove in Firefox 60
   "Marionette:GetContext": GeckoDriver.prototype.getContext,
   "getContext": GeckoDriver.prototype.getContext,
   "Marionette:AcceptConnections": GeckoDriver.prototype.acceptConnections,
   "acceptConnections": GeckoDriver.prototype.acceptConnections,  // deprecated, remove in Firefox 60
   "Marionette:Quit": GeckoDriver.prototype.quit,
   "quit": GeckoDriver.prototype.quit,  // deprecated, remove in Firefox 60
+  "quitApplication": GeckoDriver.prototype.quit,  // deprecated, remove in Firefox 60
 
   // Addon service
   "Addon:Install": GeckoDriver.prototype.installAddon,
   "addon:install": GeckoDriver.prototype.installAddon,  // deprecated, remove in Firefox 60
   "Addon:Uninstall": GeckoDriver.prototype.uninstallAddon,
   "addon:uninstall": GeckoDriver.prototype.uninstallAddon,  // deprecated, remove in Firefox 60
 
   // L10n service