diff --git a/pkgs/tools/security/creddump/default.nix b/pkgs/tools/security/creddump/default.nix
index d37c58a51591..ffa2fd2311c1 100644
--- a/pkgs/tools/security/creddump/default.nix
+++ b/pkgs/tools/security/creddump/default.nix
@@ -7,8 +7,7 @@ python2Packages.buildPythonApplication rec {
   src = fetchFromGitLab {
     owner = "kalilinux";
     repo = "packages/creddump";
-    # url-encoding workaround: https://github.com/NixOS/nixpkgs/issues/65796#issuecomment-517829019
-    rev = "debian%2F${version}-1kali2"; # %2F = urlquote("/")
+    rev = "debian/${version}-1kali2";
     sha256 = "0r3rs2hggsvv619l3fh3c0jli6d3ryyj30ni3hz0nz670z5smzcf";
   };