diff --git a/mesecons_pistons/pistons_down.lua b/mesecons_pistons/pistons_down.lua
index 82bb3f4..4d39c7f 100644
--- a/mesecons_pistons/pistons_down.lua
+++ b/mesecons_pistons/pistons_down.lua
@@ -3,7 +3,7 @@
 minetest.register_node("mesecons_pistons:piston_down_normal", {
 	description = "Piston DOWN",
 	tiles = {"jeija_piston_tb.png", "jeija_piston_side.png", "jeija_piston_tb.png", "jeija_piston_tb.png", "jeija_piston_tb.png", "jeija_piston_tb.png"},
-	groups = {cracky=3, mesecon_effector_on = 1, mesecon_effector_off = 1, mesecon = 2},
+	groups = {cracky=3, mesecon = 2},
 	after_dig_node = function(pos, oldnode)
 		local dir = {x=0, y=-1, z=0}
 		pos.x, pos.y, pos.z = pos.x + dir.x, pos.y + dir.y, pos.z + dir.z --move to first node to check
@@ -18,11 +18,13 @@ minetest.register_node("mesecons_pistons:piston_down_normal", {
 	end,
 })
 
+mesecon:register_effector("mesecons_pistons:piston_down_normal", "mesecons_pistons:piston_down_normal")
+
 --registration sticky one:
 minetest.register_node("mesecons_pistons:piston_down_sticky", {
 	description = "Sticky Piston DOWN",
 	tiles = {"jeija_piston_tb.png", "jeija_piston_sticky_side.png", "jeija_piston_tb.png", "jeija_piston_tb.png", "jeija_piston_tb.png", "jeija_piston_tb.png"},
-	groups = {cracky=3, mesecon_effector_on = 1, mesecon_effector_off = 1, mesecon = 2},
+	groups = {cracky=3, mesecon = 2},
 	after_dig_node = function(pos, oldnode)
 		local dir = {x=0, y=-1, z=0}
 		pos.x, pos.y, pos.z = pos.x + dir.x, pos.y + dir.y, pos.z + dir.z --move to first node to check
@@ -37,6 +39,8 @@ minetest.register_node("mesecons_pistons:piston_down_sticky", {
 	end,
 })
 
+mesecon:register_effector("mesecons_pistons:piston_down_sticky", "mesecons_pistons:piston_down_sticky")
+
 minetest.register_craft({
 	output = "mesecons_pistons:piston_down_normal",
 	recipe = {
diff --git a/mesecons_pistons/pistons_up.lua b/mesecons_pistons/pistons_up.lua
index 1d116ca..01675e0 100644
--- a/mesecons_pistons/pistons_up.lua
+++ b/mesecons_pistons/pistons_up.lua
@@ -18,6 +18,8 @@ minetest.register_node("mesecons_pistons:piston_up_normal", {
 	end,
 })
 
+mesecon:register_effector("mesecons_pistons:piston_up_normal", "mesecons_pistons:piston_up_normal")
+
 --registration sticky one:
 minetest.register_node("mesecons_pistons:piston_up_sticky", {
 	description = "Sticky Piston UP",
@@ -37,6 +39,8 @@ minetest.register_node("mesecons_pistons:piston_up_sticky", {
 	end,
 })
 
+mesecon:register_effector("mesecons_pistons:piston_up_sticky", "mesecons_pistons:piston_up_sticky")
+
 minetest.register_craft({
 	output = "mesecons_pistons:piston_up_normal",
 	recipe = {