diff --git a/ChangeLog b/ChangeLog
index 6bc8182cc..f56ff7a61 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,6 @@
+20030912
+ - (tim) [regress/agent-ptrace.sh] sh doesn't like "if ! shell_function; then".
+
 20030911
  - (dtucker) [configure.ac] Bug #588, #615: Move other libgen tests to after
    the dirname test, to allow a broken dirname to be detected correctly.
@@ -1070,4 +1073,4 @@
  - Fix sshd BindAddress and -b options for systems using fake-getaddrinfo.
    Report from murple@murple.net, diagnosis from dtucker@zip.com.au
 
-$Id: ChangeLog,v 1.2982 2003/09/12 05:32:17 tim Exp $
+$Id: ChangeLog,v 1.2983 2003/09/12 18:20:32 tim Exp $
diff --git a/regress/agent-ptrace.sh b/regress/agent-ptrace.sh
index b9d86a29d..cd9c0023d 100644
--- a/regress/agent-ptrace.sh
+++ b/regress/agent-ptrace.sh
@@ -12,7 +12,9 @@ if have_prog uname ; then
 	esac
 fi
 
-if ! have_prog gdb ; then
+if have_prog gdb ; then
+	: ok
+else
 	echo "skipped (gdb not found)"
 	exit 0
 fi