diff --git a/tests/ls/infloop b/tests/ls/infloop
index 69ecba4d6..1842c5bc4 100755
--- a/tests/ls/infloop
+++ b/tests/ls/infloop
@@ -27,7 +27,7 @@ fi
 
 fail=0
 
-ls -RL loop 2>err | head -7 > out
+ls -RL loop 2>err | head -n 7 > out
 # With an inf-looping ls, out will contain these 7 lines:
 cat <<EOF > bad
 loop: