diff --git a/live-build/ubuntu/hooks/040-hyperv-desktop-images.binary b/live-build/ubuntu/hooks/040-hyperv-desktop-images.binary
index 72ab45ed..ae54e90f 100644
--- a/live-build/ubuntu/hooks/040-hyperv-desktop-images.binary
+++ b/live-build/ubuntu/hooks/040-hyperv-desktop-images.binary
@@ -55,7 +55,8 @@ EOF
 
 CHANGED_FILE_SUFFIX=.replaced-by-desktop-img-build
 
-# use vsock transport.
+# use vsock transport
+sed -i${CHANGED_FILE_SUFFIX} -e 's/port=3389/port=vsock:\/\/-1:3389/g' "${scratch_d}/etc/xrdp/xrdp.ini"
 sed -i${CHANGED_FILE_SUFFIX} -e 's/use_vsock=false/use_vsock=true/g' "${scratch_d}/etc/xrdp/xrdp.ini"
 # use rdp security.
 sed -i${CHANGED_FILE_SUFFIX} -e 's/security_layer=negotiate/security_layer=rdp/g' "${scratch_d}/etc/xrdp/xrdp.ini"