diff --git a/mods/lzr_laser/blocks.lua b/mods/lzr_laser/blocks.lua
index 225f5b2..0530c68 100644
--- a/mods/lzr_laser/blocks.lua
+++ b/mods/lzr_laser/blocks.lua
@@ -158,7 +158,7 @@ minetest.register_node("lzr_laser:emitter", {
 	after_rotate = after_rotate,
 
 	sounds = lzr_sounds.node_sound_wood_defaults(),
-	groups = { rotatable = 1, emitter = 1, laser_block = 1, dig_immediate = 3 },
+	groups = { rotatable = 1, emitter = 1, laser_block = 1, choppy = 3 },
 	_lzr_active = "lzr_laser:emitter_on",
 })
 
@@ -178,7 +178,7 @@ minetest.register_node("lzr_laser:emitter_on", {
 	after_rotate = after_rotate,
 
 	sounds = lzr_sounds.node_sound_wood_defaults(),
-	groups = { rotatable = 1, emitter = 2, laser_block = 1, dig_immediate = 3 },
+	groups = { rotatable = 1, emitter = 2, laser_block = 1, choppy = 3 },
 	_lzr_inactive = "lzr_laser:emitter",
 })
 
@@ -198,7 +198,7 @@ minetest.register_node("lzr_laser:detector", {
 	after_rotate = after_rotate,
 
 	sounds = lzr_sounds.node_sound_wood_defaults(),
-	groups = { rotatable = 1, detector = 1, laser_block = 1, dig_immediate = 3 },
+	groups = { rotatable = 1, detector = 1, laser_block = 1, choppy = 3 },
 	_lzr_active = "lzr_laser:detector_on",
 })
 
@@ -218,7 +218,7 @@ minetest.register_node("lzr_laser:detector_on", {
 	after_rotate = after_rotate,
 
 	sounds = lzr_sounds.node_sound_wood_defaults(),
-	groups = { rotatable = 1, detector = 2, laser_block = 1, dig_immediate = 3, not_in_creative_inventory = 1 },
+	groups = { rotatable = 1, detector = 2, laser_block = 1, choppy = 3, not_in_creative_inventory = 1 },
 	_lzr_inactive = "lzr_laser:detector",
 	drop = "lzr_laser:detector",
 })