diff --git a/pkgs/applications/networking/instant-messengers/coyim/default.nix b/pkgs/applications/networking/instant-messengers/coyim/default.nix
index 5f868fc98584..5b70d7479269 100644
--- a/pkgs/applications/networking/instant-messengers/coyim/default.nix
+++ b/pkgs/applications/networking/instant-messengers/coyim/default.nix
@@ -16,9 +16,10 @@ buildGoPackage rec {
 
   nativeBuildInputs = [ pkgconfig wrapGAppsHook glib cairo gdk_pixbuf gnome3.gtk gnome3.defaultIconTheme ];
 
-  meta = {
+  meta = with stdenv.lib; {
     description = "a safe and secure chat client";
     homepage = https://coy.im/;
-    license = stdenv.lib.licenses.gpl3;
+    license = licenses.gpl3;
+    platforms = platforms.linux;
   };
 }