diff --git a/src/mergerfs.cpp b/src/mergerfs.cpp
index 139a40f4..cc1eeafd 100644
--- a/src/mergerfs.cpp
+++ b/src/mergerfs.cpp
@@ -404,6 +404,10 @@ main(int    argc_,
     ->description("")
     ;
 
+  app.add_option("branches",branches);
+
+  app.add_option("mountpoint",mountpoint);
+
   try
     {
       app.parse(argc_,argv_);