diff --git a/pkgs/applications/misc/archivy/default.nix b/pkgs/applications/misc/archivy/default.nix
index c89bbde6569a..c81d4f65d785 100644
--- a/pkgs/applications/misc/archivy/default.nix
+++ b/pkgs/applications/misc/archivy/default.nix
@@ -9,7 +9,8 @@ let
       wtforms = super.wtforms.overridePythonAttrs (oldAttrs: rec {
         version = "2.3.1";
 
-        src = oldAttrs.src.override {
+        src = fetchPypi {
+          pname = "WTForms";
           inherit version;
           sha256 = "sha256-hhoTs65SHWcA2sOydxlwvTVKY7pwQ+zDqCtSiFlqGXI=";
         };