diff --git a/.tmux.conf b/.tmux.conf
--- a/.tmux.conf
+++ b/.tmux.conf
@@ -179,5 +179,5 @@ set -g status-fg cyan
 set -g set-titles on
 set -g set-titles-string "#h(#S)"
 
-source ~/.tmux.conf.local
+if-shell '[-e ~/.tmux.conf.local]' "source ~/.tmux.conf.local"