From 97402c55d60a6fecaca0dcfb9ef2fa6e6464d0e2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sandro=20J=C3=A4ckel?= <sandro.jaeckel@gmail.com>
Date: Sat, 22 Aug 2026 20:18:10 +0200
Subject: [PATCH] nixos/kmscon: enforce that at least one monospace font exists

---
 nixos/modules/services/ttys/kmscon.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/nixos/modules/services/ttys/kmscon.nix b/nixos/modules/services/ttys/kmscon.nix
index 48ed7f242813..e8a17785a01c 100644
--- a/nixos/modules/services/ttys/kmscon.nix
+++ b/nixos/modules/services/ttys/kmscon.nix
@@ -160,6 +160,10 @@ in
     );
 
     environment.systemPackages = [ cfg.package ];
+
+    # Install at least one monospace font, as otherwise the fallback is DejaVu Sans, a non-monospace font
+    fonts.packages = [ pkgs.hack-font ];
+
     systemd.packages = [ cfg.package ];
 
     systemd.services."kmsconvt@" = {