diff --git a/src/display.sh b/src/display.sh
index 0547776..c19d50d 100644
--- a/src/display.sh
+++ b/src/display.sh
@@ -3,9 +3,15 @@ set -Eeuo pipefail
 
 # Docker environment variables
 
-: "${VGA:="ramfb"}"         # VGA adaptor
+: "${VGA:=""}"              # VGA adaptor
 : "${DISPLAY:="web"}"       # Display type
 
+if [[ "${BOOT_MODE:-}" != "windows" ]]; then
+  [ -z "$VGA" ] && VGA="virtio-gpu"
+else
+  [ -z "$VGA" ] && VGA="ramfb"
+fi
+
 case "${DISPLAY,,}" in
   vnc)
     DISPLAY_OPTS="-display vnc=:0 -device $VGA"