diff --git a/src/afs/afs.h b/src/afs/afs.h
index e726c7d834..5581f9b2b1 100644
--- a/src/afs/afs.h
+++ b/src/afs/afs.h
@@ -95,7 +95,7 @@ extern int afs_shuttingdown;
 #define	AFS_NRXPACKETS	80
 #define	AFS_RXDEADTIME	50
 #define AFS_HARDDEADTIME	120
-#define	AFS_IDLEDEADTIME	50
+#define	AFS_IDLEDEADTIME	1200
 #define AFS_BLKBITS	12
 #define AFS_BLKSIZE	(1 << AFS_BLKBITS)