diff --git a/pkgs/tools/filesystems/bcache-tools/default.nix b/pkgs/tools/filesystems/bcache-tools/default.nix
index 288cd14c16bb..e1a2f7d5bf7e 100644
--- a/pkgs/tools/filesystems/bcache-tools/default.nix
+++ b/pkgs/tools/filesystems/bcache-tools/default.nix
@@ -5,6 +5,7 @@ stdenv.mkDerivation rec {
   version = "1.0.7";
 
   src = fetchurl {
+    name = "${name}.tar.gz";
     url = "https://github.com/g2p/bcache-tools/archive/v${version}.tar.gz";
     sha256 = "1gbsh2qw0a7kgck6w0apydiy37nnz5xvdgipa0yqrfmghl86vmv4";
   };