diff --git a/wdm-config-1.20/wdm-config b/wdm-config-1.20/wdm-config
index 28d0e1a..15b453d 100644
--- a/wdm-config-1.20/wdm-config
+++ b/wdm-config-1.20/wdm-config
@@ -16,6 +16,7 @@ DisplayManager._0.reset:        /etc/X11/wdm/TakeConsole
 DisplayManager._0.startAttempts: 1
 DisplayManager._0.terminateServer: true
 !
+DisplayManager.requestPort:     0
 DisplayManager*resources:       /etc/X11/wdm/Xresources
 DisplayManager*session:         /etc/X11/wdm/Xsession
 DisplayManager*authComplain:    false
 
diff --git a/configs/wdm-config.in b/configs/wdm-config.in
index de5532a..ff634af 100644
--- a/configs/wdm-config.in
+++ b/configs/wdm-config.in
@@ -17,6 +17,7 @@ DisplayManager._0.setup:        @DMDIR@/Xsetup_0
 DisplayManager._0.startup:      @DMDIR@/GiveConsole
 DisplayManager._0.reset:        @DMDIR@/TakeConsole
 !
+DisplayManager.requestPort:     0
 DisplayManager*resources:       @DMDIR@/Xresources
 DisplayManager*session:         @DMDIR@/Xsession
 DisplayManager*authComplain:    false