diff --git a/pkgs/tools/text/mdbook/default.nix b/pkgs/tools/text/mdbook/default.nix
index 1a969e31c480..7a89064f0d09 100644
--- a/pkgs/tools/text/mdbook/default.nix
+++ b/pkgs/tools/text/mdbook/default.nix
@@ -26,6 +26,6 @@ rustPlatform.buildRustPackage rec {
     homepage = "https://github.com/rust-lang/mdBook";
     changelog = "https://github.com/rust-lang/mdBook/blob/v${version}/CHANGELOG.md";
     license = [ licenses.mpl20 ];
-    maintainers = [ maintainers.havvy ];
+    maintainers = with maintainers; [ havvy Frostman ];
   };
 }