diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index eb285be..3256580 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -441,8 +441,7 @@
 			*ptr++ = htonl(sp[this_sack].end_seq);
 		}
 
-		if (tp->rx_opt.dsack)
-			tp->rx_opt.dsack = 0;
+		tp->rx_opt.dsack = 0;
 	}
 }