diff --git a/flake.nix b/flake.nix
index f8e53232e..047729ba6 100644
--- a/flake.nix
+++ b/flake.nix
@@ -254,7 +254,7 @@
             sha256 = "sha256-YgUsl4/FohfsOncM4uiz/3c6g2ZN4oZ0y5vV/2Skwqg=";
             fetchSubmodules = true;
           };
-          patches = oa.patches or [] ++ [
+          patches = [
             (pkgs.fetchurl {
               url = "https://git.m-labs.hk/M-Labs/nix-scripts/raw/commit/575ef05cd554c239e4cc8cb97ae4611db458a80d/artiq-fast/pkgs/openocd-jtagspi.diff";
               sha256 = "0g3crk8gby42gm661yxdcgapdi8sp050l5pb2d0yjfic7ns9cw81";