diff --git a/lib/meat.ml b/lib/meat.ml
index 7ef5165..04346aa 100644
--- a/lib/meat.ml
+++ b/lib/meat.ml
@@ -39,7 +39,10 @@ let do_build () =
     Unix.getenv "MEATS" ^ "#nixosConfigurations." ^ Unix.gethostname ()
     ^ ".config.system.build.toplevel"
   in
-  do_cmd @@ "sudo nix build --profile /nix/var/nix/profiles/system --out-link " ^ tmpdir ^ "/build " ^ build_target
+  do_cmd @@ "nix build --out-link " ^ tmpdir ^ "/build " ^ build_target
+  >>= fun () ->
+  do_cmd @@ "sudo nix-env --set -p /nix/var/nix/profiles/system " ^ tmpdir
+  ^ "/build"
   >>= fun () ->
   do_cmd @@ "sudo " ^ tmpdir ^ "/build/bin/switch-to-configuration switch"
   >|= fun () -> Unix.unlink @@ tmpdir ^ "/build"
@@ -47,10 +50,10 @@ let do_build () =
 let yum () =
   print_string header;
   meat_print "CONSUMING DELICIOUS MEATS..";
-  do_build () |> function
-  | Error _ ->
-      print_string "FAILED TO CONSUME MEATS.";
-  | _ -> (); print_string footer
+  ( do_build () |> function
+    | Error _ -> print_string "FAILED TO CONSUME MEATS."
+    | _ -> () );
+  print_string footer
 
 let cook () =
   print_string header;