diff --git a/share/man/man9/malloc.9 b/share/man/man9/malloc.9
index a78563eb53f..bcb69bd53be 100644
--- a/share/man/man9/malloc.9
+++ b/share/man/man9/malloc.9
@@ -135,7 +135,7 @@ malloc_type_t M_FOOBUF = {
 /* sys/something/foo_subr.c */
 
 ...
-MALLOC(buf, sizeof *buf, struct foo_buf *, M_FOOBUF, M_NOWAIT);
+MALLOC(buf, struct foo_buf *, sizeof *buf, M_FOOBUF, M_NOWAIT);
 
 .Be
 .Sh RETURN VALUES