diff --git a/configure.ac b/configure.ac
index 0d13723d..0401e6f6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -4,7 +4,7 @@ dnl $Id$
 AC_PREREQ([2.69])
 
 dnl Set version info here!
-AC_INIT([tcpreplay],[4.5.0-beta3],[https://github.com/appneta/tcpreplay/issues],[tcpreplay],[http://tcpreplay.sourceforge.net/])
+AC_INIT([tcpreplay],[4.5.0-beta4],[https://github.com/appneta/tcpreplay/issues],[tcpreplay],[http://tcpreplay.sourceforge.net/])
 AC_CONFIG_SRCDIR([src/tcpreplay.c])
 AC_CONFIG_HEADERS([src/config.h])
 AC_CONFIG_AUX_DIR(config)
diff --git a/docs/CHANGELOG b/docs/CHANGELOG
index c713ef9a..16cc08e1 100644
--- a/docs/CHANGELOG
+++ b/docs/CHANGELOG
@@ -1,4 +1,4 @@
-06/29/2024 Version 4.5.0-beta3
+06/29/2024 Version 4.5.0-beta4
     - tcpreplay --include / --exclude to control which packets are replayed (#884)
     - add -W (--suppress-warnings) option to suppress warning messages (#878)
     - AF_XDP compile issue due to merge issue (#876)
diff --git a/src/tcpreplay_opts.def b/src/tcpreplay_opts.def
index e9184935..abe9868c 100644
--- a/src/tcpreplay_opts.def
+++ b/src/tcpreplay_opts.def
@@ -668,6 +668,7 @@ EOText;
 
 flag = {
     name        = pid;
+    value       = P;
     descrip     = "Print the PID of tcpreplay at startup";
     flag-code   = <<- EOPid