diff --git a/command_npc_talk_style.lua b/command_npc_talk_style.lua
new file mode 100644
index 0000000..eaf11e8
--- /dev/null
+++ b/command_npc_talk_style.lua
@@ -0,0 +1,35 @@
+-- change the formspec style used in fs_decorated.lua
+
+-- because the player may have wandered off from his NPC and get too many messages
+-- without a quick way to get rid of them otherwise
+minetest.register_chatcommand( 'npc_talk_style', {
+	description = "This command sets your formspec version "..
+				"for the yl_speak_up NPC to value <version>.\n"..
+				"  Version 1: For very old clients. Not recommended.\n"..
+				"  Version 2: Adds extra scroll buttons. Perhaps you like this more.\n"..
+				"  Version 3: Default version.",
+	privs = {},
+	func = function(pname, param)
+		-- set a default value
+		if(not(yl_speak_up.fs_version[pname])) then
+			yl_speak_up.fs_version[pname] = 3
+		end
+		if(param and param == "1") then
+			yl_speak_up.fs_version[pname] = 1
+		elseif(param and param == "2") then
+			yl_speak_up.fs_version[pname] = 2
+		elseif(param and param == "3") then
+			yl_speak_up.fs_version[pname] = 3
+		else
+			minetest.chat_send_player(pname, "This command sets your formspec version "..
+				"for the yl_speak_up NPC to value <version>.\n"..
+				"  Version 1: For very old clients. Not recommended.\n"..
+				"  Version 2: Adds extra scroll buttons.\n"..
+				"  Version 3: Default (recommended) version.")
+		end
+		minetest.chat_send_player(pname, "Your formspec version for the yl_speak_up NPC "..
+			"has been set to version "..tostring(yl_speak_up.fs_version[pname])..
+			" for this session.")
+	end
+	})
+
diff --git a/fs_decorated.lua b/fs_decorated.lua
index 939d2e5..a71bc42 100644
--- a/fs_decorated.lua
+++ b/fs_decorated.lua
@@ -1,39 +1,8 @@
 -- the formspec menu used for talking to the NPC can also used for
 -- the trading formspec and similar things
 
--- because the player may have wandered off from his NPC and get too many messages
--- without a quick way to get rid of them otherwise
-minetest.register_chatcommand( 'npc_talk_style', {
-	description = "This command sets your formspec version "..
-				"for the yl_speak_up NPC to value <version>.\n"..
-				"  Version 1: For very old clients. Not recommended.\n"..
-				"  Version 2: Adds extra scroll buttons. Perhaps you like this more.\n"..
-				"  Version 3: Default version.",
-	privs = {},
-	func = function(pname, param)
-		-- set a default value
-		if(not(yl_speak_up.fs_version[pname])) then
-			yl_speak_up.fs_version[pname] = 3
-		end
-		if(param and param == "1") then
-			yl_speak_up.fs_version[pname] = 1
-		elseif(param and param == "2") then
-			yl_speak_up.fs_version[pname] = 2
-		elseif(param and param == "3") then
-			yl_speak_up.fs_version[pname] = 3
-		else
-			minetest.chat_send_player(pname, "This command sets your formspec version "..
-				"for the yl_speak_up NPC to value <version>.\n"..
-				"  Version 1: For very old clients. Not recommended.\n"..
-				"  Version 2: Adds extra scroll buttons.\n"..
-				"  Version 3: Default (recommended) version.")
-		end
-		minetest.chat_send_player(pname, "Your formspec version for the yl_speak_up NPC "..
-			"has been set to version "..tostring(yl_speak_up.fs_version[pname])..
-			" for this session.")
-	end
-	})
-
+-- the chat command npc_talk_style found in command_npc_talk_style.lua
+-- can be used to switch formspec style.
 
 
 -- helper function for yl_speak_up.show_fs_decorated
diff --git a/init.lua b/init.lua
index 939732c..9b269a2 100644
--- a/init.lua
+++ b/init.lua
@@ -40,6 +40,8 @@ dofile(modpath .. "interface_mobs_api.lua")
 dofile(modpath .. "show_fs.lua")
 -- general decoration part for main formspec, trade window etc.
 dofile(modpath .. "fs_decorated.lua")
+-- command for switching the formspec version of the player
+dofile(modpath .. "command_npc_talk_style.lua")
 -- the formspec and input handling for the main dialog
 dofile(modpath .. "fs_talkdialog.lua")
 -- ask if the player wants to save, discard or go back in edit mode