diff --git a/sys/dev/firewire/fwdev.c b/sys/dev/firewire/fwdev.c
index 9cbb5e44d64a..0facb6e3963f 100644
--- a/sys/dev/firewire/fwdev.c
+++ b/sys/dev/firewire/fwdev.c
@@ -443,7 +443,7 @@ fw_write_async(struct fw_drv1 *d, struct uio *uio, int ioflag)
 	xfer->send.pay_len = uio->uio_resid;
 	if (uio->uio_resid > 0) {
 		if ((err = uiomove((caddr_t)&xfer->send.payload[0],
-		    uio->uio_resid, uio)));
+		    uio->uio_resid, uio)))
 			goto out;
 	}