--- multi-seat-x.c.orig	2013-11-09 16:40:16.287941884 +0100
+++ multi-seat-x.c	2013-11-09 16:23:42.637901918 +0100
@@ -91,14 +91,16 @@
         fclose(f);
         f = NULL;
 
-        new_argv = newa(char*, argc + 3 + 1);
+        new_argv = newa(char*, argc + 5 + 1);
         memcpy(new_argv, argv, sizeof(char*) * (argc + 2 + 1));
 
         new_argv[0] = (char*) X_SERVER;
         new_argv[argc+0] = (char*) "-config";
         new_argv[argc+1] = path;
         new_argv[argc+2] = (char*) "-sharevts";
-        new_argv[argc+3] = NULL;
+        new_argv[argc+3] = (char*) "-layout";
+        new_argv[argc+4] = seat;
+        new_argv[argc+5] = NULL;
 
         execv(X_SERVER, new_argv);
         log_error("Failed to execute real X server: %m");