diff --git a/static/js/download.js b/static/js/download.js
index e2dc9750..9ad37742 100644
--- a/static/js/download.js
+++ b/static/js/download.js
@@ -155,7 +155,7 @@ function detectByUA(state, base_name)
 			}
 			break;
 
-		case "Mac OS": match = "macosx"; break;
+		case "Mac OS": match = "macos"; break;
 		case "BeOS": match = "beos"; break;
 		case "Morph OS": match = "morphos"; break;
 		case "Debian": match = "linux-debian"; break;