diff --git a/pkgs/by-name/li/libdeltachat/package.nix b/pkgs/by-name/li/libdeltachat/package.nix
index 296ca86cd9e3..35570145956f 100644
--- a/pkgs/by-name/li/libdeltachat/package.nix
+++ b/pkgs/by-name/li/libdeltachat/package.nix
@@ -72,6 +72,11 @@ stdenv.mkDerivation rec {
       --replace __FILE__ '"${placeholder "out"}/include/deltachat.h"'
   '';
 
+  env = {
+    CARGO_BUILD_TARGET = stdenv.hostPlatform.rust.rustcTarget;
+    CARGO_BUILD_RUSTFLAGS = "-C linker=${stdenv.cc.targetPrefix}cc";
+  };
+
   passthru = {
     tests = {
       inherit deltachat-desktop deltachat-repl deltachat-rpc-server;