diff --git a/artiq-fast/conda-windows/redistribute.nix b/artiq-fast/conda-windows/redistribute.nix
new file mode 100644
index 0000000..a64b9c1
--- /dev/null
+++ b/artiq-fast/conda-windows/redistribute.nix
@@ -0,0 +1,13 @@
+{ pkgs, name, filename, baseurl, sha256 }:
+
+let
+  download = pkgs.fetchurl {
+  	url = "${baseurl}${filename}";
+  	inherit sha256;
+  };
+in
+  pkgs.runCommand "conda-windows-${name}" { } ''
+    mkdir -p $out/win-64 $out/nix-support
+    ln -s ${download} $out/win-64/${filename}
+    echo file conda $out/win-64/${filename} >> $out/nix-support/hydra-build-products
+    ''