diff --git a/pkgs/applications/science/chemistry/chemtool/default.nix b/pkgs/applications/science/chemistry/chemtool/default.nix
index 3b5d144ba22b..bf78aeb825d5 100644
--- a/pkgs/applications/science/chemistry/chemtool/default.nix
+++ b/pkgs/applications/science/chemistry/chemtool/default.nix
@@ -46,5 +46,6 @@ stdenv.mkDerivation rec {
     '';
     license = licenses.mit;
     maintainers = with maintainers; [ AndersonTorres ];
+    platforms = platforms.linux;
   };
 }