diff --git a/src/mergerfs.cpp b/src/mergerfs.cpp
index 5c823455..2da8f824 100644
--- a/src/mergerfs.cpp
+++ b/src/mergerfs.cpp
@@ -404,7 +404,7 @@ main(int    argc_,
     ;
 
   app.add_option("branches",branches)
-    //    ->delimiter(':')
+    ->delimiter(':')
     ->expected(-1)
     ;