diff --git a/nix/base-system/tmux.conf b/nix/base-system/tmux.conf
index b1c0d16..cb9f853 100644
--- a/nix/base-system/tmux.conf
+++ b/nix/base-system/tmux.conf
@@ -10,7 +10,8 @@ set-option -g prefix C-a
 #sest -g utf8 on
 
 ## we like colors
-set -g default-terminal "screen-256color"
+set -g default-terminal xterm-256color
+set -ga terminal-overrides ",xterm-256color:RGB"
 
 ## Useful KeyBindings