diff --git a/common/dev/default.nix b/common/dev/default.nix
index 1776996..24f4eb2 100644
--- a/common/dev/default.nix
+++ b/common/dev/default.nix
@@ -11,9 +11,15 @@
     ./virt.nix
   ];
 
-  # Always use `-FRX`, some Nix shenanigans break the escape sequences otherwise.
+  # Always use `-FRX`, some Nix shenanigans break the escape sequences
+  # otherwise.
   programs.less.envVariables.LESS = "-FRX";
 
+  # Ensure unassigned sequences are printed too, these are used for nerd fonts.
+  # https://stackoverflow.com/questions/72541931/less-is-not-displaying-what-it-considers-as-unassigned-utf8-unicode-characters
+  programs.less.envVariables.LESSCHARSET = "utf-8";
+  programs.less.envVariables.LESSUTFBINFMT = "*n%C";
+
   environment.systemPackages = with pkgs; [
     harper # Grammar and spell checking language server
     mdbook # Building documentation locally