diff --git a/releasenotes.md b/releasenotes.md
index f8fda51..411f9d3 100644
--- a/releasenotes.md
+++ b/releasenotes.md
@@ -1,7 +1,20 @@
 # Release Notes for ModPack TechPack [techpack]
 
 
-## V2.02.02 (2019-02-216)
+## V2.02.03 (2019-02-27)
+
+### Additions
+
+### Removals
+
+### Changes
+
+### Fixes
+- industriallamp bugfix
+
+
+
+## V2.02.02 (2019-02-16)
 
 ### Additions
 - sl_controller: add battery status command
diff --git a/tubelib_addons2/industriallamp.lua b/tubelib_addons2/industriallamp.lua
index d6a29c3..373879e 100644
--- a/tubelib_addons2/industriallamp.lua
+++ b/tubelib_addons2/industriallamp.lua
@@ -12,6 +12,23 @@
 	
 ]]--
 
+local function switch_on(pos, node)
+	if string.sub(node.name, -3) ~= "_on" then
+		node.name = node.name.."_on"
+		minetest.swap_node(pos, node)
+	end
+end	
+
+local function switch_off(pos, node)
+	if string.sub(node.name, -3) == "_on" then
+		node.name = string.sub(node.name, 1, -4)
+		minetest.swap_node(pos, node)
+		local pos1 = {x=pos.x-5, y=pos.y-5, z=pos.z-5}
+		local pos2 = {x=pos.x+5, y=pos.y+5, z=pos.z+5}
+		minetest.fix_light(pos1, pos2)
+	end
+end	
+
 local function register_lamp(tbl)
 	local num, tiles, tiles_on, node_box, size = tbl.num, tbl.tiles, tbl.tiles_on, tbl.node_box, tbl.size
 	minetest.register_node("tubelib_addons2:industriallamp"..num, {