diff --git a/sys/boot/efi/libefi/efipart.c b/sys/boot/efi/libefi/efipart.c
index 0225d764302..264a2a426ab 100644
--- a/sys/boot/efi/libefi/efipart.c
+++ b/sys/boot/efi/libefi/efipart.c
@@ -204,7 +204,7 @@ efipart_readwrite(EFI_BLOCK_IO *blkio, int rw, daddr_t blk, daddr_t nblks,
 	}
 
 	if (EFI_ERROR(status))
-		printf("%s: rw=%d, status=%u\n", __func__, rw, status);
+		printf("%s: rw=%d, status=%lu\n", __func__, rw, (u_long)status);
 	return (efi_status_to_errno(status));
 }