diff --git a/zshrc.local b/zshrc.local
index 1676efc..5aa4ad5 100644
--- a/zshrc.local
+++ b/zshrc.local
@@ -27,4 +27,6 @@ if which tmux 2>&1 >/dev/null; then
     test -z "$TMUX" && (tmux attach || tmux new-session)
 fi
 
-xset -b
+if which xset 2>&1 >/dev/null; then
+    xset -b
+fi