diff --git a/ripd/ChangeLog b/ripd/ChangeLog
index edb504a..132fd43 100644
--- a/ripd/ChangeLog
+++ b/ripd/ChangeLog
@@ -1,3 +1,8 @@
+2005-04-02 Andrew J. Schorr <ajschorr@alumni.princeton.edu>
+
+	* rip_interface.c: (rip_interface_delete) After deleting, set
+	  ifp->ifindex to IFINDEX_INTERNAL.
+
 2005-02-04 Paul Jakma <paul@dishone.st>
 
 	* ripd.c: Untangle the construction of RIP auth data.
diff --git a/ripd/rip_interface.c b/ripd/rip_interface.c
index 0a01d8b..f58fb33 100644
--- a/ripd/rip_interface.c
+++ b/ripd/rip_interface.c
@@ -598,6 +598,7 @@
   
   /* To support pseudo interface do not free interface structure.  */
   /* if_delete(ifp); */
+  ifp->ifindex = IFINDEX_INTERNAL;
 
   return 0;
 }