diff --git a/src/sysen2/namdrg.149 b/src/sysen2/namdrg.150
similarity index 99%
rename from src/sysen2/namdrg.149
rename to src/sysen2/namdrg.150
index a18430df..8a1f26e7 100755
--- a/src/sysen2/namdrg.149
+++ b/src/sysen2/namdrg.150
@@ -91,7 +91,9 @@ mapmsk==574377776000		;$<mapmsk>t; in ddt types out 10-11 interface map entry
 ifndef maxtty,maxtty==100	;max # tty's we can handle.
 ifndef nontty,nontty==40	;max # lisp machines
 	
-ifndef ttysiz,ttysiz=5000	;max size of TTYTYP.
+ifndef ttysiz,ttysiz=10.*2000	;max size of TTYTYP.
+				;Current size of TTYTYP is 4.5 blocks.
+				;Let's make this 10 blocks to last a while.
 
 loc 41
 		pushj p,uuoh