diff --git a/dotfiles/lib/bin/xsettingsd-setup b/dotfiles/lib/bin/xsettingsd-setup
new file mode 100755
index 00000000..45622c71
--- /dev/null
+++ b/dotfiles/lib/bin/xsettingsd-setup
@@ -0,0 +1,25 @@
+#!/usr/bin/env sh
+
+# Don't try to guess DPI. For a laptop, we don't want the same DPI as
+# for an external screen. Just hardcode stuff...
+case $(hostname),$(xrandr --current | \
+                          sed -n 's/\([^ ]*\) connected .*[0-9][0-9]*x[0-9][0-9]*+[0-9][0-9]*+[0-9][0-9]* .*/\1/p' | \
+                          sort | tr '\n' ':') in
+    # imalison-arch,DVI-D-0:HDMI-0:) dpi=144 ;;
+    *) dpi=${1:-144} ;;
+esac
+
+# Build xsettingsd.local
+cp  ~/.xsettingsd ~/.xsettingsd.local
+echo Xft/DPI $(( $dpi * 1024 )) >> ~/.xsettingsd.local
+
+# Signal xsettingsd
+pid=$(xprop -name xsettingsd _NET_WM_PID 2> /dev/null | awk '{print $NF}')
+if [ x"$pid" = x ]; then
+    xsettingsd -c ~/.xsettingsd.local &
+else
+    kill -HUP $pid
+fi
+
+# # Also use xrdb for very old stuff (you know, LibreOffice)
+# echo Xft.dpi: "$dpi" | xrdb -merge