diff --git a/abms.lua b/abms.lua
index ba9aac6..5727b8d 100644
--- a/abms.lua
+++ b/abms.lua
@@ -262,20 +262,16 @@ end)
 -- destruction
 ------------------------------------------------------------
 
-local function cool_cobble(pos, node)
-	minetest.set_node(pos, {name = "default:cobble"})
-	minetest.sound_play("default_cool_lava",
-		{pos = pos, max_hear_distance = 16, gain = 0.25})
-end
-
 minetest.register_abm({
 	nodenames = {"fun_caves:hot_cobble",},
 	neighbors = {"group:water"},
-	interval = 1,
-	chance = 1,
+	interval = 10,
+	chance = 10,
 	catch_up = false,
-	action = function(...)
-		cool_cobble(...)
+	action = function(pos, node)
+		minetest.set_node(pos, {name = "default:cobble"})
+		minetest.sound_play("default_cool_lava",
+		{pos = pos, max_hear_distance = 16, gain = 0.25})
 	end,
 })