--- kdm/session.c.orig	Sat Jul 10 12:18:04 1999
+++ kdm/session.c	Sat Jul 10 12:18:24 1999
@@ -703,6 +703,7 @@
          * We need to do this before setusercontext() because that may
          * set or reset some environment variables.
          */
+	envinit[0] = NULL;
         environ = envinit;
 
 	/*