diff --git a/pkgs/applications/science/math/eigenmath/default.nix b/pkgs/applications/science/math/eigenmath/default.nix
index 345eab6d3282..8abcd96f08d2 100644
--- a/pkgs/applications/science/math/eigenmath/default.nix
+++ b/pkgs/applications/science/math/eigenmath/default.nix
@@ -43,5 +43,6 @@ stdenv.mkDerivation rec {
     homepage = "https://georgeweigt.github.io";
     license = licenses.bsd2;
     maintainers = with maintainers; [ nickcao ];
+    platforms = platforms.unix;
   };
 }