diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index ce539edd8a..cdd814d080 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,9 @@
+2002-12-19  Keith Seitz  <keiths@redhat.com>
+
+	patch committed by Elena Zannoni  <ezannoni@redhat.com>
+	* thread.c (do_captured_list_thread_ids): Call prune_threads and
+	target_find_new_threads. Fix for PR mi/669.
+
 2002-12-19  David Carlton  <carlton@math.stanford.edu>
 
 	* linespec.c (decode_line_1): Move code into decode_all_digits.
diff --git a/gdb/thread.c b/gdb/thread.c
index f2ed52a811..6ef484078e 100644
--- a/gdb/thread.c
+++ b/gdb/thread.c
@@ -262,6 +262,9 @@ do_captured_list_thread_ids (struct ui_out *uiout,
   struct thread_info *tp;
   int num = 0;
 
+  prune_threads ();
+  target_find_new_threads ();
+
   ui_out_tuple_begin (uiout, "thread-ids");
 
   for (tp = thread_list; tp; tp = tp->next)