diff --git a/ChangeLog b/ChangeLog
index d7e4fba19..416a4ea99 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -46,6 +46,7 @@
      [ssh.1]
      bz#987: mention ForwardX11Trusted in ssh.1,
      reported by andrew.benham AT thus.net; ok deraadt@
+ - (tim) [regress/agent-ptrace.sh] add another possible gdb error.
 
 20050301
  - (djm) OpenBSD CVS sync:
@@ -2265,4 +2266,4 @@
    - (djm) Trim deprecated options from INSTALL. Mention UsePAM
    - (djm) Fix quote handling in sftp; Patch from admorten AT umich.edu
 
-$Id: ChangeLog,v 1.3687 2005/03/02 02:22:30 djm Exp $
+$Id: ChangeLog,v 1.3688 2005/03/03 05:49:56 tim Exp $
diff --git a/regress/agent-ptrace.sh b/regress/agent-ptrace.sh
index 9aff167c1..4de2638e4 100644
--- a/regress/agent-ptrace.sh
+++ b/regress/agent-ptrace.sh
@@ -41,7 +41,7 @@ EOF
 	if [ $? -ne 0 ]; then
 		fail "gdb failed: exit code $?"
 	fi
-	egrep 'ptrace: Operation not permitted.|procfs:.*Permission denied.|ttrace attach: Permission denied.' >/dev/null ${OBJ}/gdb.out
+	egrep 'ptrace: Operation not permitted.|procfs:.*Permission denied.|ttrace attach: Permission denied.|procfs:.*: Invalid argument.' >/dev/null ${OBJ}/gdb.out
 	r=$?
 	rm -f ${OBJ}/gdb.out
 	if [ $r -ne 0 ]; then