Index: sbin/nvmecontrol/firmware.c
===================================================================
--- sbin/nvmecontrol/firmware.c
+++ sbin/nvmecontrol/firmware.c
@@ -177,7 +177,7 @@
 
 	while (resid > 0) {
 		size = (resid >= (int32_t)max_xfer_size) ?
-		    max_xfer_size : resid;
+		    (int32_t)max_xfer_size : resid;
 		memcpy(chunk, payload + off, size);
 
 		memset(&pt, 0, sizeof(pt));