diff -Nur -X/home/thue/freeciv-dev/freeciv/diff_ignore freeciv/server/barbarian.c workdir/server/barbarian.c
--- freeciv/server/barbarian.c	Sun Jun  4 23:18:04 2000
+++ workdir/server/barbarian.c	Mon Jun  5 16:45:15 2000
@@ -460,6 +460,8 @@
     return;
 
   n = map.xsize*map.ysize / MAP_FACTOR;    /* map size adjustment */
+  if (n == 0) /* Allow barbarians on maps smaller than MAP_FACTOR */
+    n = 1;
 
   for( i=0; i < n*(game.barbarianrate-1); i++)
     try_summon_barbarians();