diff --git a/_msynk.compdef.zsh b/_msynk.compdef.zsh
index 8c48e7a..f611176 100644
--- a/_msynk.compdef.zsh
+++ b/_msynk.compdef.zsh
@@ -22,6 +22,7 @@ _msynk()
         {--sender,-s}'[Sender directory, with trailing "/".]':directory:_directories \
         {--receiver,-r}'[Receiver directory, with trailing "/".]':directory:_directories \
         '--reverse[Swap receiver and sender.]' \
+        {--relative,-R}'[User relative path names.]' \
         '--encrypt[Encrypt files before syncing.]' \
         '--decrypt[Decrypt files before syncing.]' \
         '--check-date[Only process files that have been modified since the program was last run. Needs -c and (--encrypt/--decrypt).]' \