diff --git a/src/micropolisj/engine/Micropolis.java b/src/micropolisj/engine/Micropolis.java
index 1090605..0166db4 100644
--- a/src/micropolisj/engine/Micropolis.java
+++ b/src/micropolisj/engine/Micropolis.java
@@ -2053,9 +2053,9 @@ public class Micropolis
 		out.writeAttribute("crimeAverage", Integer.toString(crimeAverage));
 		out.writeAttribute("pollutionAverage", Integer.toString(pollutionAverage));
 		out.writeAttribute("gameLevel", Integer.toString(gameLevel));
-		out.writeAttribute("autoBulldoze", autoBulldoze ? "true" : "false");
-		out.writeAttribute("autoBudget", autoBudget ? "true" : "false");
-		out.writeAttribute("autoGo", autoGo ? "true" : "false");
+		out.writeAttribute("autoBulldoze", Boolean.toString(autoBulldoze));
+		out.writeAttribute("autoBudget", Boolean.toString(autoBudget));
+		out.writeAttribute("autoGo", Boolean.toString(autoGo));
 		out.writeAttribute("cityTax", Integer.toString(cityTax));
 		out.writeAttribute("simSpeed", simSpeed.name());
 		out.writeAttribute("policePercent", Double.toString(policePercent*100));