diff --git a/pkgs/by-name/ep/epilys-bb/package.nix b/pkgs/by-name/ep/epilys-bb/package.nix
index db5fba6a6008..3fb42e80a170 100644
--- a/pkgs/by-name/ep/epilys-bb/package.nix
+++ b/pkgs/by-name/ep/epilys-bb/package.nix
@@ -15,7 +15,8 @@ rustPlatform.buildRustPackage rec {
     hash = "sha256-szeEBiolg2rVD2XZoNrncUYnA8KPhWwhQPYsjuxp904=";
   };
 
-  cargoHash = "sha256-hQuWRcg9dWYYaHXxocJ+XG1K7aTWLhR2RZVUc4geJLI=";
+  useFetchCargoVendor = true;
+  cargoHash = "sha256-xUNvVG5jdAXsro2P8je3LFxqMycJEB4j7w3abf6jilw=";
 
   meta = with lib; {
     description = "Clean, simple, and fast process viewer";