--- main.c.orig	2008-09-05 18:52:07 +0400

+++ main.c	2008-09-05 18:52:54 +0400

@@ -701,6 +701,11 @@

 		if(!strncmp(argv[i], "-l", 3)){

 			if(++i < argc) {

 				dzen.slave_win.max_lines = atoi(argv[i]);

+

+				if (dzen.slave_win.max_lines<1) {

+					dzen.slave_win.max_lines=1;

+				}

+

 				init_input_buffer();

 			}

 		}