diff --git a/taoup-fortune b/taoup-fortune
index 2cee405..5cf8b32 100755
--- a/taoup-fortune
+++ b/taoup-fortune
@@ -34,7 +34,7 @@ fi
 # handle all classes of society
 if [ `which cowsay 2>/dev/null` ]; then
 	# educated user execution path
-	if [ `shuf -e 2>/dev/null` ]; then
+	if [ `which shuf 2>/dev/null` ]; then
 	  cat ${cachefile} |grep -v '^---' | shuf | head -n 1 | cowsay -f eyes -n |head -n 2 |tail -n 1
 	elif [ `echo test|sort -R 2>/dev/null` ]; then
 	  cat ${cachefile} |grep -v '^---' | sort -R | head -n 1 | cowsay -f eyes -n |head -n 2 |tail -n 1