diff --git a/testsuite/ls/ls-l-works b/testsuite/ls/ls-l-works
index 3e3b0e047..e80f9582e 100644
--- a/testsuite/ls/ls-l-works
+++ b/testsuite/ls/ls-l-works
@@ -1,4 +1,4 @@
 [ -n "$d" ] || d=..
 LANG=C ls -l "$d" > logfile.gnu
 busybox ls -l "$d" > logfile.bb
-cmp logfile.gnu logfile.bb
+diff -w logfile.gnu logfile.bb