diff --git a/simgear/props/props.cxx b/simgear/props/props.cxx
index 2d19c1eb..a4f78ab0 100644
--- a/simgear/props/props.cxx
+++ b/simgear/props/props.cxx
@@ -624,7 +624,7 @@ SGPropertyNode::trace_read () const
  * Last used attribute
  * Update as needed when enum Attribute is changed
  */
-const int SGPropertyNode::LAST_USED_ATTRIBUTE = TRACE_WRITE;
+const int SGPropertyNode::LAST_USED_ATTRIBUTE = USERARCHIVE;
 
 /**
  * Default constructor: always creates a root node.