diff --git a/src/micropolisj/engine/XML_Helper.java b/src/micropolisj/engine/XML_Helper.java
index 8f647d4..bdcc46e 100644
--- a/src/micropolisj/engine/XML_Helper.java
+++ b/src/micropolisj/engine/XML_Helper.java
@@ -81,7 +81,7 @@ public class XML_Helper
 
 				if (tagDepth == 0) {
 					// reached closing tag
-					return 0;
+					return -1;
 				}
 			}