diff --git a/t/test-lib.sh b/t/test-lib.sh
index 16c4d7b516..dfa29255d5 100644
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -907,9 +907,11 @@ yes () {
 		y="$*"
 	fi
 
-	while echo "$y"
+	i=0
+	while test $i -lt 99
 	do
-		:
+		echo "$y"
+		i=$(($i+1))
 	done
 }