diff --git a/share/functions/fish_config.fish b/share/functions/fish_config.fish
index 10f15f096..2a7545e4d 100644
--- a/share/functions/fish_config.fish
+++ b/share/functions/fish_config.fish
@@ -1,7 +1,7 @@
 function fish_config --description "Launch fish's web based configuration"
 	# Support passing an initial tab like "colors" or "functions"
 	set -l initial_tab
-	if test (count $argv) > 0
+	if count $argv >/dev/null
 		set initial_tab $argv[1]
 	end
 	eval $__fish_datadir/tools/web_config/webconfig.py $initial_tab