diff --git a/sup b/sup
index cc3d350..f25b4c5 100755
--- a/sup
+++ b/sup
@@ -153,7 +153,12 @@ main() {
 	if (( flag_scrot )); then
 		file="$(sup.scrot)" || { return 1; }
 	else
-		target="$1"; [[ "$target" ]] || { sup.usage; exit 1; }
+		(( $# )) || {
+			sup.usage
+			return 1
+		}
+
+		target="$1"
 
 		if sup.if_url "$target"; then
 			file=$(sup.mktemp "$cfg_tmp_dir")