diff --git a/ikcp.c b/ikcp.c
index 149d873..56dbbca 100644
--- a/ikcp.c
+++ b/ikcp.c
@@ -37,7 +37,7 @@ const IUINT32 IKCP_MTU_DEF = 1400;
 const IUINT32 IKCP_ACK_FAST	= 3;
 const IUINT32 IKCP_INTERVAL	= 100;
 const IUINT32 IKCP_OVERHEAD = 24;
-const IUINT32 IKCP_DEADLINK = 10;
+const IUINT32 IKCP_DEADLINK = 20;
 const IUINT32 IKCP_THRESH_INIT = 2;
 const IUINT32 IKCP_THRESH_MIN = 2;
 const IUINT32 IKCP_PROBE_INIT = 7000;		// 7 secs to probe window size