diff --git a/usr.sbin/kldxref/ef_aarch64.c b/usr.sbin/kldxref/ef_aarch64.c
index 5bd521b28e38..f1e499e76ef1 100644
--- a/usr.sbin/kldxref/ef_aarch64.c
+++ b/usr.sbin/kldxref/ef_aarch64.c
@@ -1,74 +1,74 @@
 /*-
  * Copyright (c) 2005 Peter Grehan.
  * Copyright 1996-1998 John D. Polstra.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  */
 
 #include <sys/endian.h>
 
 #include <err.h>
 #include <errno.h>
 #include <gelf.h>
 
 #include "ef.h"
 
 /*
  * Apply relocations to the values obtained from the file. `relbase' is the
  * target relocation address of the section, and `dataoff/len' is the region
  * that is to be relocated, and has been copied to *dest
  */
 static int
 ef_aarch64_reloc(struct elf_file *ef, const void *reldata, Elf_Type reltype,
     GElf_Addr relbase, GElf_Addr dataoff, size_t len, void *dest)
 {
 	char *where;
 	Elf64_Addr addend;
 	GElf_Size rtype;
 	const GElf_Rela *rela;
 
 	if (reltype != ELF_T_RELA)
 		return (EINVAL);
 
 	rela = (const GElf_Rela *)reldata;
 	where = (char *)dest - dataoff + rela->r_offset;
 	addend = rela->r_addend;
 	rtype = GELF_R_TYPE(rela->r_info);
 
 	if (where < (char *)dest || where >= (char *)dest + len)
 		return (0);
 
 	switch(rtype) {
 	case R_AARCH64_RELATIVE:
 		le64enc(where, relbase + addend);
 		break;
 	case R_AARCH64_ABS64:
 		break;
 	default:
-		warnx("unhandled relocation type %lu", rtype);
+		warnx("unhandled relocation type %d", (int)rtype);
 		break;
 	}
 	return (0);
 }
 
 ELF_RELOC(ELFCLASS64, ELFDATA2LSB, EM_AARCH64, ef_aarch64_reloc);