diff --git a/test/CAtsa.cnf b/test/CAtsa.cnf
index 4ce8c14..f5a275b 100644
--- a/test/CAtsa.cnf
+++ b/test/CAtsa.cnf
@@ -3,10 +3,7 @@
 # This config is used by the Time Stamp Authority tests.
 #
 
-# This definition stops the following lines choking if HOME isn't
-# defined.
-HOME			= .
-RANDFILE		= $ENV::HOME/.rnd
+RANDFILE		= ./.rnd
 
 # Extra OBJECT IDENTIFIER info:
 oid_section		= new_oids