diff --git a/etc/security b/etc/security
index 574b0d89312..78a885c3b9e 100644
--- a/etc/security
+++ b/etc/security
@@ -56,7 +56,7 @@ fi
 if ! cmp ${LOG}/setuid.today ${TMP} >/dev/null; then
 	separator
 	echo "${host} setuid diffs:"
-	diff -b ${LOG}/setuid.today ${TMP}
+	diff -w ${LOG}/setuid.today ${TMP}
 	mv ${LOG}/setuid.today ${LOG}/setuid.yesterday
 	mv ${TMP} ${LOG}/setuid.today
 fi