diff --git a/usr.bin/top/utils.c b/usr.bin/top/utils.c
index b3d4b15be28b..1abecc9cac82 100644
--- a/usr.bin/top/utils.c
+++ b/usr.bin/top/utils.c
@@ -291,13 +291,14 @@ format_time(long seconds)
 char *
 format_k(int64_t amt)
 {
-    static char retarray[NUM_STRINGS][16];
-    static int index_ = 0;
-    char *ret;
+	static char retarray[NUM_STRINGS][16];
+	static int index_ = 0;
+	char *ret;
 
-    ret = retarray[index_];
+	ret = retarray[index_];
 	index_ = (index_ + 1) % NUM_STRINGS;
-	humanize_number(ret, 6, amt * 1024, "", HN_AUTOSCALE, HN_NOSPACE);
+	humanize_number(ret, 6, amt * 1024, "", HN_AUTOSCALE, HN_NOSPACE |
+	    HN_B);
 	return (ret);
 }