diff --git a/share/functions/__fish_print_cmd_args_without_options.fish b/share/functions/__fish_print_cmd_args_without_options.fish
index dadabc2a8..b38c224b1 100644
--- a/share/functions/__fish_print_cmd_args_without_options.fish
+++ b/share/functions/__fish_print_cmd_args_without_options.fish
@@ -1,3 +1,3 @@
 function __fish_print_cmd_args_without_options
-    __fish_print_cmd_args | grep '^[^-]'
+    __fish_print_cmd_args | string match -re '^[^-]'
 end