diff --git a/basis/consumer.lua b/basis/consumer.lua
index a5358a3..5308809 100644
--- a/basis/consumer.lua
+++ b/basis/consumer.lua
@@ -62,7 +62,7 @@ local function node_timer(pos, elapsed)
 			crd.State:nopower(pos, mem)
 		end
 	elseif state == techage.STANDBY then
-		if not power_available(pos, 0) then
+		if crd.power_consumption > 0 and not power_available(pos) then
 			crd.State:nopower(pos, mem)
 		end
 	end
diff --git a/furnace/furnace_top.lua b/furnace/furnace_top.lua
index 7eec879..e035770 100644
--- a/furnace/furnace_top.lua
+++ b/furnace/furnace_top.lua
@@ -51,7 +51,7 @@ local function formspec(self, pos, mem)
 		"list[context;dst;3,0;2,2;]"..
 		
 		"label[6,0;"..I("Outp")..": "..idx.."/"..num.."]"..
-		"item_image_button[6.5,0.5;1,1;"..output..";b1;]"..
+		"item_image_button[6.5,0.5;1,1;"..(output or "")..";b1;]"..
 		"button[6,1.5;1,1;priv;<<]"..
 		"button[7,1.5;1,1;next;>>]"..
 		
diff --git a/nodes/basalt.lua b/nodes/basalt.lua
index bd87762..4e51006 100644
--- a/nodes/basalt.lua
+++ b/nodes/basalt.lua
@@ -234,6 +234,12 @@ minetest.register_craft({
 	}
 })
 
+minetest.register_craft({
+	type = "cooking",
+	output = "techage:basalt_stone",
+	recipe = "techage:basalt_cobble",
+})
+
 techage.add_grinder_recipe({input="techage:basalt_stone", output="techage:basalt_gravel"})
 techage.add_grinder_recipe({input="techage:basalt_cobble", output="techage:basalt_gravel"})
 techage.add_grinder_recipe({input="techage:basalt_gravel", output="default:clay"})