diff --git a/net/tftp.c b/net/tftp.c
index 8f948204a6f..fd9c9492929 100644
--- a/net/tftp.c
+++ b/net/tftp.c
@@ -478,6 +478,7 @@ static void tftp_handler(uchar *pkt, unsigned dest, struct in_addr sip,
 	case TFTP_ACK:
 #ifdef CONFIG_CMD_TFTPPUT
 		if (tftp_put_active) {
+			timeout_count = 0;
 			if (tftp_put_final_block_sent) {
 				tftp_complete();
 			} else {