diff --git a/winsup/utils/ChangeLog b/winsup/utils/ChangeLog
index c98612256..4ba9f3306 100644
--- a/winsup/utils/ChangeLog
+++ b/winsup/utils/ChangeLog
@@ -1,3 +1,7 @@
+2002-02-14  Christopher Faylor  <cgf@redhat.com>
+
+	* strace.cc (attach_process): Change CW_STRACE_ON to CW_STRACE_TOGGLE.
+
 2002-01-31  Corinna Vinschen  <corinna@vinschen.de>
 
 	* mkpasswd.c (main): Set default home path for 9x/Me if --path-to-home
diff --git a/winsup/utils/strace.cc b/winsup/utils/strace.cc
index 5ce9d0db5..a9f376231 100644
--- a/winsup/utils/strace.cc
+++ b/winsup/utils/strace.cc
@@ -291,7 +291,7 @@ attach_process (pid_t pid)
   if (!DebugActiveProcess (child_pid))
     error (0, "couldn't attach to pid %d<%d> for debugging", pid, child_pid);
 
-  (void) cygwin_internal (CW_STRACE_ON, pid);
+  (void) cygwin_internal (CW_STRACE_TOGGLE, pid);
   printf ("Attached to pid %d (windows pid %u)\n", pid, (unsigned) child_pid);
   return;
 }