diff --git a/default.nix b/default.nix
index 0a77c67..bb6fe60 100644
--- a/default.nix
+++ b/default.nix
@@ -1,13 +1,13 @@
 {
   nixpkgs,
-  extra-math,
+  extra-math-prs,
   rand-testsuite-prs,
   rust-template-prs,
 }: let
   pkgs = import nixpkgs {};
   prs = with pkgs.lib;
     concatLists (map (f: attrValues (builtins.fromJSON (builtins.readFile f))) [
-      extra-math
+      extra-math-prs
       rand-testsuite-prs
       rust-template-prs
     ]);