diff --git a/fork b/fork
index 14388db..9ddcce2 100755
--- a/fork
+++ b/fork
@@ -8,7 +8,7 @@
 #
 
 
-if [ -z "$@" ]; then
+if [ -z "$*" ]; then
 	printf "fork: requires argument\\n"
 	exit 1
 fi