diff --git a/pkgs/development/libraries/libmodbus/default.nix b/pkgs/development/libraries/libmodbus/default.nix
index 72fdbc4c0219..e76b528395ef 100644
--- a/pkgs/development/libraries/libmodbus/default.nix
+++ b/pkgs/development/libraries/libmodbus/default.nix
@@ -27,7 +27,7 @@ stdenv.mkDerivation rec {
     description = "Library to send/receive data according to the Modbus protocol";
     homepage = "https://libmodbus.org/";
     license = licenses.lgpl21Plus;
-    platforms = platforms.unix;
+    platforms = with platforms; unix ++ windows;
     maintainers = [ maintainers.bjornfor ];
   };
 }