diff --git a/src/d2gs/telnetd.cpp b/src/d2gs/telnetd.cpp
index 0454826..8f56424 100644
--- a/src/d2gs/telnetd.cpp
+++ b/src/d2gs/telnetd.cpp
@@ -424,7 +424,7 @@ namespace pvpgn
 					continue;
 				}
 				if (admin_to_stop()) return -1;
-				if ((bytes=recv(ns, mybuf, sizeof(mybuf), 0))<=0)
+				if ((bytes=recv(ns, mybuf, sizeof(mybuf) - 1, 0))<=0)
 					return -1;
 				timeoutcount = 0;
 				*(mybuf+bytes) = '\0';