diff --git a/config/etc.nix b/config/etc.nix
index 9c0485d..950e2cd 100644
--- a/config/etc.nix
+++ b/config/etc.nix
@@ -15,6 +15,9 @@ with lib; {
   };
 
   environment.variables = mkIf (elem "etcvars" config.machine.conffiles) {
+    # Bat breaks manpages
+    # https://github.com/sharkdp/bat/issues/2563
+    MANROFFOPT = "-c";
     LC_CTYPE = "zh_CN.UTF-8";
     MANPAGER = "sh -c 'col -bx | bat -l man -p'";
     MPV_HOME = "/etc/mpv";