diff --git a/drivers/net/telnet.c b/drivers/net/telnet.c
index 1bcd1e5eabe..b94652e4fac 100644
--- a/drivers/net/telnet.c
+++ b/drivers/net/telnet.c
@@ -1118,7 +1118,9 @@ static int telnet_poll(FAR struct file *filep, FAR struct pollfd *fds,
 static int common_ioctl(FAR struct file *filep, int cmd, unsigned long arg)
 {
   FAR struct inode *inode = filep->f_inode;
+#ifdef CONFIG_TELNET_SUPPORT_NAWS
   FAR struct telnet_dev_s *priv = inode->i_private;
+#endif
   int ret;
 
   switch (cmd)