diff --git a/net/ipv4/tcp_probe.c b/net/ipv4/tcp_probe.c
index 622a4377b3973f5d60f6171e814cce5c44d282ae..1f6aa543b64e11e0511a35ac15a1aa9fbdb95067 100644
--- a/net/ipv4/tcp_probe.c
+++ b/net/ipv4/tcp_probe.c
@@ -218,7 +218,7 @@ static ssize_t tcpprobe_read(struct file *file, char __user *buf,
 		return -EINVAL;
 
 	while (cnt < len) {
-		char tbuf[164];
+		char tbuf[256];
 		int width;
 
 		/* Wait for data in buffer */