diff --git a/dotfiles/xsession b/dotfiles/xsession
index 8118f9b..3ba22bc 100755
--- a/dotfiles/xsession
+++ b/dotfiles/xsession
@@ -10,8 +10,10 @@ export GTK2_RC_FILES=$HOME/.gtkrc-2.0
 # We do not want to rely on crappy mailcap
 export MAILCAPS=$HOME/.mailcap
 
-# QT theme
+# Qt HiDPI (https://doc.qt.io/qt-6/highdpi.html)
 export QT_AUTO_SCREEN_SCALE_FACTOR=1
+export QT_SCALE_FACTOR_ROUNDING_POLICY=PassThrough
+# Qt theme
 export QT_QPA_PLATFORMTHEME=qt5ct
 
 # GTK3 apps try to contact org.a11y.Bus. Disable that.