diff --git a/tmux/.config/zsh/zshrc.d/tmux.zsh b/tmux/.config/zsh/zshrc.d/tmux.zsh
new file mode 100644
index 0000000..34966d0
--- /dev/null
+++ b/tmux/.config/zsh/zshrc.d/tmux.zsh
@@ -0,0 +1,4 @@
+if [ "$TMUX" ]; then
+    # TERM=tmux-256color does not work as expected on osx
+    export TERM=screen-256color
+fi