diff --git a/pkgs/data/themes/arc/default.nix b/pkgs/data/themes/arc/default.nix
index 79812a217ffa..bbbfbe7fe5c6 100644
--- a/pkgs/data/themes/arc/default.nix
+++ b/pkgs/data/themes/arc/default.nix
@@ -56,7 +56,7 @@ stdenv.mkDerivation rec {
   meta = with stdenv.lib; {
     description = "Flat theme with transparent elements for GTK 3, GTK 2 and Gnome Shell";
     homepage = "https://github.com/jnsh/arc-theme";
-    license = licenses.gpl3;
+    license = licenses.gpl3Only;
     platforms = platforms.linux;
     maintainers = with maintainers; [ simonvandel romildo ];
   };