diff --git a/pkgs/by-name/li/libixion/package.nix b/pkgs/by-name/li/libixion/package.nix
index 79283f35fa15..d921b8fe8653 100644
--- a/pkgs/by-name/li/libixion/package.nix
+++ b/pkgs/by-name/li/libixion/package.nix
@@ -23,6 +23,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     autoreconfHook
     pkg-config
+    python3.pythonOnBuildForHost
   ];
 
   buildInputs = [