diff --git a/fs_log.lua b/fs_log.lua
index ee1ab48..7266118 100644
--- a/fs_log.lua
+++ b/fs_log.lua
@@ -2,7 +2,7 @@
 
 
 -- log changes done by players or admins to NPCs
-yl_speak_up.log_change = function(pname, n_id, text)
+yl_speak_up.log_change = function(pname, n_id, text, log_level)
 	-- make sure all variables are defined
 	if(not(pname)) then
 		pname = "- unkown player -"
@@ -13,32 +13,38 @@ yl_speak_up.log_change = function(pname, n_id, text)
 	if(not(text)) then
 		text = "- no text given -"
 	end
+	if(not(log_level)) then
+		log_level = "info"
+	end
 	-- we don't want newlines in the texts
 	text = string.gsub(text, "\n", "\\n")
 
 	-- log in debug.txt
 	local log_text = "<"..tostring(n_id).."> ["..tostring(pname).."]: "..text
-	minetest.log("yl_speak_up "..log_text)
+	minetest.log(log_level, "[MOD] yl_speak_up "..log_text)
 
 	-- log in a file for each npc so that it can be shown when needed
 	-- date needs to be inserted manually (minetest.log does it automaticly);
 	-- each file logs just one npc, so n_id is not important
 	log_text = tostring(os.date("%Y-%m-%d %H:%M:%S ")..tostring(pname).." "..text.."\n")
-	-- actually append to the logfile
-	local file, err = io.open(yl_speak_up.worldpath..yl_speak_up.log_path..DIR_DELIM..
+	n_id = tostring(n_id)
+	if(n_id and n_id ~= "" and n_id ~= "n_" and n_id ~= "- unkown NPC -") then
+		-- actually append to the logfile
+		local file, err = io.open(yl_speak_up.worldpath..yl_speak_up.log_path..DIR_DELIM..
 					"log_"..tostring(n_id)..".txt", "a")
-	if err then
-		minetest.log("[yl_speak_up] Error saving NPC logfile: "..minetest.serialize(err))
-		return
+		if err then
+			minetest.log("error", "[MOD] yl_speak_up Error saving NPC logfile: "..minetest.serialize(err))
+			return
+		end
+		file:write(log_text)
+		file:close()
 	end
-	file:write(log_text)
-	file:close()
 
 	-- log into a general all-npc-file as well
-	file, err = io.open(yl_speak_up.worldpath..yl_speak_up.log_path..DIR_DELIM..
+	local file, err = io.open(yl_speak_up.worldpath..yl_speak_up.log_path..DIR_DELIM..
 					"log_ALL.txt", "a")
 	if err then
-		minetest.log("[yl_speak_up] Error saving NPC logfile: "..minetest.serialize(err))
+		minetest.log("error","[MOD] yl_speak_up Error saving NPC logfile: "..minetest.serialize(err))
 		return
 	end
 	file:write(tostring(n_id).." "..log_text)
@@ -47,7 +53,7 @@ end
 
 
 -- this is used by yl_speak_up.eval_and_execute_function(..) in fs_edit_general.lua
-yl_speak_up.log_with_position = function(pname, n_id, text)
+yl_speak_up.log_with_position = function(pname, n_id, text, log_level)
 	if(not(pname) or not(yl_speak_up.speak_to[pname])) then
 		yl_speak_up.log_change(pname, n_id,
 			"error: -npc not found- "..tostring(text))
@@ -60,5 +66,5 @@ yl_speak_up.log_with_position = function(pname, n_id, text)
 		pos_str = minetest.pos_to_string(obj:get_pos(),0)
 	end
 	yl_speak_up.log_change(pname, n_id,
-		"NPC at position "..pos_str.." "..tostring(text))
+		"NPC at position "..pos_str.." "..tostring(text), log_level)
 end
diff --git a/fs_talkdialog.lua b/fs_talkdialog.lua
index df71cc0..41cbafc 100644
--- a/fs_talkdialog.lua
+++ b/fs_talkdialog.lua
@@ -647,14 +647,10 @@ yl_speak_up.get_fs_talkdialog = function(player, n_id, d_id, alternate_text, rec
 	local context_d_id = yl_speak_up.speak_to[pname].d_id
 	local active_dialog
 
-	if not player and not player:is_player() then
-		minetest.log(
-			"action",
-			"[MOD] yl_speak_up: User " ..
-			pname ..
-			" talked to unconfigured NPC with ID n_" ..
-			n_id .. ", position of user was " .. minetest.pos_to_string(player:get_pos(), 0)
-		)
+	if(not(dialog)) then
+		yl_speak_up.log_change(pname, n_id,
+			"unconfigured NPC beeing talked to at "..
+			minetest.pos_to_string(player:get_pos()), "action")
 		return yl_speak_up.get_error_message()
 	end
 
@@ -684,13 +680,9 @@ yl_speak_up.get_fs_talkdialog = function(player, n_id, d_id, alternate_text, rec
 	end
 	else
 	-- it may be possible that this player can initialize this npc
-		minetest.log(
-			"action",
-			"[MOD] yl_speak_up: User " ..
-			pname ..
-			" talked to unconfigured NPC with ID n_" ..
-			n_id .. ", position of user was " .. minetest.pos_to_string(player:get_pos(), 0)
-		)
+		yl_speak_up.log_change(pname, n_id,
+			"unconfigured NPC beeing talked to at "..
+			minetest.pos_to_string(player:get_pos()), "action")
 		-- this is the initial config
 		-- (input ends up at yl_speak_up.input_talk and needs to be rerouted)
 		return yl_speak_up.get_fs_initial_config(player, n_id, d_id, true)