diff --git a/hosts/pinwheel/modules/tmux/default.nix b/hosts/pinwheel/modules/tmux/default.nix
index 64b13ed..abbcf72 100644
--- a/hosts/pinwheel/modules/tmux/default.nix
+++ b/hosts/pinwheel/modules/tmux/default.nix
@@ -34,8 +34,9 @@
         set -g window-status-current-style bg='#${config.lib.colors.background}',fg='#${config.lib.colors.foreground}'
         set -g window-status-style bg='#${config.lib.colors.background}',fg='#${config.lib.colors.foreground-dim}'
 
-        set -g pane-border-style fg='#${config.lib.colors.gray}'
-        set -g pane-active-border-style fg='#${config.lib.colors.foreground}'
+        set -g pane-border-style fg='#${config.lib.colors.background}'
+        set -g pane-active-border-style fg='#${config.lib.colors.background}'
+        set -g pane-border-lines "heavy"
 
         bind r source-file ~/.config/tmux/tmux.conf \; display "Config reloaded"