diff --git a/completions/rpcdebug b/completions/rpcdebug
index facc8517..ef9eabf1 100644
--- a/completions/rpcdebug
+++ b/completions/rpcdebug
@@ -40,7 +40,8 @@ _rpcdebug()
     esac
 
     if [[ "$cur" == -* ]]; then
-        COMPREPLY=( $( compgen -W '-v -h -m -s -c' -- "$cur" ) )
+        COMPREPLY=( $( compgen -W '$( _parse_usage "$1" -h ) -s -c' \
+            -- "$cur" ) )
     fi
 } &&
 complete -F _rpcdebug rpcdebug