diff --git a/protector.lua b/protector.lua
index 401a712..8d0fab2 100644
--- a/protector.lua
+++ b/protector.lua
@@ -33,6 +33,7 @@ minetest.register_node("xp_redo:protector", {
 	},
 
 	groups = {cracky=3,oddly_breakable_by_hand=3},
+	is_ground_content = false,
 	sounds = default.node_sound_glass_defaults(),
 
 	after_place_node = function(pos, placer)
diff --git a/xpgate.lua b/xpgate.lua
index 65e1aea..2da549d 100644
--- a/xpgate.lua
+++ b/xpgate.lua
@@ -21,6 +21,7 @@ minetest.register_node("xp_redo:xpgate", {
 	description = "XP Gateway",
 	tiles = {"xp_gate.png"},
 	groups = {cracky=3,oddly_breakable_by_hand=3,epic=1},
+	is_ground_content = false,
 	drop = "xp_redo:xpgate",
 	sounds = default.node_sound_glass_defaults(),
 	on_rotate = minetest.get_modpath("screwdriver") and screwdriver.rotate_simple or nil,