diff --git a/derivation.nix b/derivation.nix
index a0b337d..da9e53b 100644
--- a/derivation.nix
+++ b/derivation.nix
@@ -39,6 +39,15 @@ pkgs.python3Packages.buildPythonPackage rec {
     hash = "sha256-S/2eFfIRL26OaMUZQ0B628tmWjyaLqQCUmGTVqBBSsA=";
   };
 
+  patches = [
+    # fix http downloads
+    (pkgs.fetchpatch {
+      url = "https://github.com/dd-ix/arouteserver/commit/fc0e78acb78c4ccb1a90db416456ccf03cbf5a42.patch";
+      hash = "sha256-SfNmF1t0veCItpLPf4e6zXtNpu2pj3gpCu2b3Bca8gI=";
+    })
+  ];
+
+
   nativeBuildInputs = with pkgs.python3Packages; [
     setuptools
   ];