diff --git a/home/.zshenv b/home/.zshenv
index 1804103..88dbe9e 100644
--- a/home/.zshenv
+++ b/home/.zshenv
@@ -48,12 +48,18 @@ export ZDOTDIR="$XDG_CONFIG_HOME/zsh"
 #
 [ "$(uname -s)" = "Darwin" ] || source "$XDG_CONFIG_HOME/shell/path.sh"
 
-# Set $DISPLAY if running in WSL
+# Set $DISPLAY if running in WSL and an Xserver is reachable
 #
 # How to configure Windows Firewall for Xserver: https://skeptric.com/wsl2-xserver/
 # How to check if running in WSL: https://stackoverflow.com/a/61014411
-if [ $(uname -r | sed -n 's/.*\( *Microsoft *\).*/\1/ip') ]; then
-  export DISPLAY=$(awk '/nameserver/ {print $2; exit}' /etc/resolv.conf 2>/dev/null):0.0
-  export LIBGL_ALWAYS_INDIRECT=1
+if [ -n "$(uname -r | sed -n 's/.*\( *Microsoft *\).*/\1/ip')" ]; then
+  xdisplay="$(awk '/nameserver/ {print $2; exit}' /etc/resolv.conf 2>/dev/null):0.0"
+  if command -v xset >/dev/null 2>&1; then
+    if DISPLAY="$xdisplay" timeout '0.2s' xset q >/dev/null 2>&1; then
+      export DISPLAY="$xdisplay"
+      export LIBGL_ALWAYS_INDIRECT=1
+    fi
+  fi
+  unset xdisplay
 fi