diff --git a/appl/telnet/telnetd/state.c b/appl/telnet/telnetd/state.c
index 6c03743ab..f47aa7cfc 100644
--- a/appl/telnet/telnetd/state.c
+++ b/appl/telnet/telnetd/state.c
@@ -53,7 +53,7 @@ int	not42 = 1;
  * Buffer for sub-options, and macros
  * for suboptions buffer manipulations
  */
-unsigned char subbuffer[512], *subpointer= subbuffer, *subend= subbuffer;
+unsigned char subbuffer[2048], *subpointer= subbuffer, *subend= subbuffer;
 
 #define	SB_CLEAR()	subpointer = subbuffer
 #define	SB_TERM()	{ subend = subpointer; SB_CLEAR(); }