diff --git a/river-env.zsh b/river-env.zsh
index 2795ced..ea00879 100644
--- a/river-env.zsh
+++ b/river-env.zsh
@@ -29,6 +29,7 @@ case "${HOST}" in
         # -Dsun.java2d.uiScale=3"
         ;;
     *-portable)
+        export AVALONIA_SCREEN_SCALE_FACTORS='HDMI-A-1=2.0'
         # export JDK_JAVA_OPTIONS="-Dawt.useSystemAAFontSettings=on
         # -Dswing.aatext=true
         # -Dswing.defaultlaf=com.sun.java.swing.plaf.gtk.GTKLookAndFeel