diff --git a/gtk2_ardour/luawindow.cc b/gtk2_ardour/luawindow.cc
index b841b3b6ea..8ed94c2cb2 100644
--- a/gtk2_ardour/luawindow.cc
+++ b/gtk2_ardour/luawindow.cc
@@ -94,7 +94,7 @@ LuaWindow::LuaWindow ()
 	, _menu_snippet (0)
 	, _menu_actions (0)
 	, _btn_run (_("Run"))
-	, _btn_clear (_("Clear Outtput"))
+	, _btn_clear (_("Clear Output"))
 	, _btn_open (_("Import"))
 	, _btn_save (_("Save"))
 	, _btn_delete (_("Delete"))