diff --git a/signs_lib/init.lua b/signs_lib/init.lua
index 6c738e8..ee00b7d 100644
--- a/signs_lib/init.lua
+++ b/signs_lib/init.lua
@@ -11,7 +11,7 @@
 -- }
 
 -- CWz's keyword interact mod uses this setting.
-local keyword = minetest.setting_get("interact_keyword") or "iaccept"
+local current_keyword = minetest.setting_get("interact_keyword") or "iaccept"
 
 signs_lib = {}
 screwdriver = screwdriver or {}
@@ -367,7 +367,7 @@ end
 
 local function split_lines_and_words(text)
 	if not text then return end
-	text = string.gsub(text, "@KEYWORD", keyword)
+	text = string.gsub(text, "@KEYWORD", current_keyword)
 	local lines = { }
 	for _, line in ipairs(text:split("\n")) do
 		table.insert(lines, line:split(" "))
@@ -539,19 +539,19 @@ signs_lib.update_sign = function(pos, fields, owner)
 
 	if fields then -- ...we're editing the sign.
 		if fields.text and string.find(dump(fields.text), "@KEYWORD") then
-			meta:set_string("keyword", keyword)
+			meta:set_string("keyword", current_keyword)
 		else
 			meta:set_string("keyword", nil)
 		end
 	elseif string.find(dump(stored_text), "@KEYWORD") then -- we need to check if the password is being set/changed
 
 		local stored_keyword = meta:get_string("keyword")
-		if stored_keyword and stored_keyword ~= "" and stored_keyword ~= keyword then
+		if stored_keyword and stored_keyword ~= "" and stored_keyword ~= current_keyword then
 			signs_lib.destruct_sign(pos)
-			meta:set_string("keyword", keyword)
+			meta:set_string("keyword", current_keyword)
 			local ownstr = ""
 			if owner then ownstr = "Locked sign, owned by "..owner.."\n" end
-			meta:set_string("infotext", ownstr..string.gsub(make_infotext(stored_text), "@KEYWORD", keyword).." ")
+			meta:set_string("infotext", ownstr..string.gsub(make_infotext(stored_text), "@KEYWORD", current_keyword).." ")
 		end
 	end
 
@@ -564,7 +564,7 @@ signs_lib.update_sign = function(pos, fields, owner)
 		local ownstr = ""
 		if owner then ownstr = "Locked sign, owned by "..owner.."\n" end
 
-		meta:set_string("infotext", ownstr..string.gsub(make_infotext(fields.text), "@KEYWORD", keyword).." ")
+		meta:set_string("infotext", ownstr..string.gsub(make_infotext(fields.text), "@KEYWORD", current_keyword).." ")
 		meta:set_string("text", fields.text)
 		
 		meta:set_int("__signslib_new_format", 1)