diff --git a/machines/fischer/default.nix b/machines/fischer/default.nix
index 8740a89..d261dd0 100644
--- a/machines/fischer/default.nix
+++ b/machines/fischer/default.nix
@@ -124,6 +124,7 @@
     sbctl
     wl-mirror
     texlive.combined.scheme-full
+    mu
   ];
 
   services.printing = {