diff --git a/anabatic/src/AutoSegment.cpp b/anabatic/src/AutoSegment.cpp
index 17cf9e39..d34f274d 100644
--- a/anabatic/src/AutoSegment.cpp
+++ b/anabatic/src/AutoSegment.cpp
@@ -534,6 +534,11 @@ namespace Anabatic {
 
     _observers.notify( Destroy );
 
+    AutoContact* contact = getAutoSource();
+    if (contact) contact->cacheDetach( this );
+    contact = getAutoTarget();
+    if (contact) contact->cacheDetach( this );
+
     Session::unlink( this );
     cdebug_tabw(145,-1);
   }