diff --git a/mods/mobs/spider.lua b/mods/mobs/spider.lua
index ff2ecd3c..c22420f6 100755
--- a/mods/mobs/spider.lua
+++ b/mods/mobs/spider.lua
@@ -57,8 +57,8 @@ mobs:register_mob("mobs:spider", {
 		punch_start = 50,		punch_end = 90,
 	},
 })
--- spawn on desert stone/crystal dirt, between 0 and 5 light, 1 in 9000 chance, 1 in area up to 31000 in height
-mobs:register_spawn("mobs:spider", {"default:jungleleaves", "default:jungletree"}, 20, -1, 9000, 1, 31000)
+-- spawn on desert stone/crystal dirt, between 0 and 5 light, 1 in 10000 chance, 1 in area up to 31000 in height
+mobs:register_spawn("mobs:spider", {"default:jungleleaves", "default:jungletree"}, 20, -1, 10000, 1, 31000)
 -- register spawn egg
 mobs:register_egg("mobs:spider", "Spider", "mobs_cobweb.png", 1)