diff --git a/Applications.cfg b/Applications.cfg
index d8f109b3..f41ab8ce 100644
--- a/Applications.cfg
+++ b/Applications.cfg
@@ -230,7 +230,7 @@
 		url="https://raw.githubusercontent.com/IgorTimofeev/OpenComputers/master/lib/advancedLua.lua",
 		type="Library",
 		preloadFile=true,
-		version=1.17,
+		version=1.18,
 	},
 	{
 		path="/lib/web.lua",
diff --git a/lib/advancedLua.lua b/lib/advancedLua.lua
index d8e37983..c56675c4 100755
--- a/lib/advancedLua.lua
+++ b/lib/advancedLua.lua
@@ -275,7 +275,7 @@ local function doSerialize(array, prettyLook, indentationSymbol, indentationSymb
 			table.insert(text, key)
 			table.insert(text, "]")
 		elseif keyType == "string" then	
-			if key:match("^%a") and key:match("%w+") then
+			if key:match("^%a") and key:match("^%w+$") then
 				table.insert(text, key)
 			else
 				table.insert(text, "[\"")