diff --git a/src/startup.lua b/src/startup.lua
index 6b36e95..f7ab73c 100644
--- a/src/startup.lua
+++ b/src/startup.lua
@@ -17,7 +17,7 @@ if not (fs.exists("brulijam/config/system.txt")) then
   local systemConfig = {}
   systemConfig["labelPrefix"] = labelPrefix
   file = fs.open("brulijam/config/system.txt", "w")
-	file.write(systemConfig)
+	file.write(textutils.serialize(systemConfig))
 	file.close()
 end