diff --git a/ansible/roles/bhyve/files/bhyve_netgraph_bridge.bash b/ansible/roles/bhyve/files/bhyve_netgraph_bridge.bash
index c1bb261..693b295 100644
--- a/ansible/roles/bhyve/files/bhyve_netgraph_bridge.bash
+++ b/ansible/roles/bhyve/files/bhyve_netgraph_bridge.bash
@@ -30,6 +30,8 @@ DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 : ${BRIDGE_NAME:="bridge_$INTERFACE_NAME"} # or bridge_raw for RAW networks
 : ${VNC_ENABLE:="NO"}
 : ${VNC_LISTEN:="127.0.0.1:5900"}
+: ${VNC_WIDTH:="1920"}
+: ${VNC_HEIGHT:="1080"}
 
 if [ "$VERBOSE" = "YES" ]; then
     set -x
@@ -141,7 +143,7 @@ function start_vm {
         additional_args+=("-s" "5,ahci-cd,$mount_cd")
     fi
     if [ "$VNC_ENABLE" = "YES" ]; then
-        additional_args+=("-s" "29,fbuf,tcp=$VNC_LISTEN,w=1920,h=1080")
+        additional_args+=("-s" "29,fbuf,tcp=$VNC_LISTEN,w=$VNC_WIDTH,h=$VNC_HEIGHT")
     fi
     vms+=("$name")
     while true; do