diff --git a/sbin/newfs_nandfs/newfs_nandfs.c b/sbin/newfs_nandfs/newfs_nandfs.c
index 5242318ab9fd..fda2b9ed01ef 100644
--- a/sbin/newfs_nandfs/newfs_nandfs.c
+++ b/sbin/newfs_nandfs/newfs_nandfs.c
@@ -988,10 +988,10 @@ calculate_geometry(int fd)
 	/* Get storage erase unit size */
 	if (!is_nand)
 		erasesize = NANDFS_DEF_ERASESIZE;
-	else if (ioctl(fd, NAND_IO_GET_CHIP_PARAM, &chip_params) == -1)
-		errx(1, "Cannot ioctl(NAND_IO_GET_CHIP_PARAM)");
-	else
+	else if (ioctl(fd, NAND_IO_GET_CHIP_PARAM, &chip_params) != -1)
 		erasesize = chip_params.page_size * chip_params.pages_per_block;
+	else
+		errx(1, "Cannot ioctl(NAND_IO_GET_CHIP_PARAM)");
 
 	debug("erasesize: %#jx", (uintmax_t)erasesize);