diff --git a/usr.bin/yes/tests/yes_test.sh b/usr.bin/yes/tests/yes_test.sh
index f4c04e18653..797ac5f6ac9 100644
--- a/usr.bin/yes/tests/yes_test.sh
+++ b/usr.bin/yes/tests/yes_test.sh
@@ -52,6 +52,8 @@ argv_body()
 {
 	yes y >/dev/null &
 	local pid=$!
+	# Wait for yes(1) to exec before checking args
+	sleep 0.1
 	atf_check -o inline:"yes y\n" ps -o args= $pid
 	kill $pid
 	wait