diff --git a/edit_mode_apply_changes.lua b/edit_mode_apply_changes.lua
index 4bd6747..579aae6 100644
--- a/edit_mode_apply_changes.lua
+++ b/edit_mode_apply_changes.lua
@@ -59,6 +59,11 @@ yl_speak_up.edit_mode_apply_changes = function(pname, fields)
 	local d_id = yl_speak_up.speak_to[pname].d_id
 	local dialog = yl_speak_up.speak_to[pname].dialog
 
+	-- check if the player is allowed to edit this NPC
+	if(not(yl_speak_up.may_edit_npc(minetest.get_player_by_name(pname), n_id))) then
+		return
+	end
+
 	-- this way we can store the actual changes and present them to the player for saving
 	if(not(yl_speak_up.npc_was_changed[ n_id ])) then
 		yl_speak_up.npc_was_changed[ n_id ] = {}