diff --git a/contrib/telnet/telnet/telnet.c b/contrib/telnet/telnet/telnet.c
index a35ea40c4cd8..c936a85c9a23 100644
--- a/contrib/telnet/telnet/telnet.c
+++ b/contrib/telnet/telnet/telnet.c
@@ -206,7 +206,7 @@ unsigned char ComPortBaudRate[256];
 void
 DoBaudRate(char *arg)
 {
-    char *temp, temp2[10];
+    char *temp, temp2[11];
     int i;
     uint32_t baudrate;