diff --git a/pkgs/desktops/xfce/thunar-plugins/dropbox/default.nix b/pkgs/desktops/xfce/thunar-plugins/dropbox/default.nix
index b632fde2df2..d43c56c7288 100644
--- a/pkgs/desktops/xfce/thunar-plugins/dropbox/default.nix
+++ b/pkgs/desktops/xfce/thunar-plugins/dropbox/default.nix
@@ -39,7 +39,7 @@ stdenv.mkDerivation rec {
   meta = with lib; {
     homepage = "https://github.com/Jeinzi/thunar-dropbox";
     description = "A plugin that adds context-menu items for Dropbox to Thunar";
-    license = licenses.gpl3;
+    license = licenses.gpl3Only;
     platforms = platforms.linux;
   };
 }