diff --git a/pkgs/development/python-modules/afdko/default.nix b/pkgs/development/python-modules/afdko/default.nix
index d0de050c86f9..abe6bad71d9a 100644
--- a/pkgs/development/python-modules/afdko/default.nix
+++ b/pkgs/development/python-modules/afdko/default.nix
@@ -80,7 +80,7 @@ buildPythonPackage rec {
     "test_filename_without_dir"
     "test_overwrite"
     "test_options"
-  ] ++ lib.optionals stdenv.hostPlatform.isAarch64 [
+  ] ++ lib.optionals (stdenv.hostPlatform.isAarch64 || stdenv.hostPlatform.isRiscV) [
     # aarch64-only (?) failure, unknown reason so far
     # https://github.com/adobe-type-tools/afdko/issues/1425
     "test_spec"