diff --git a/pkgs/applications/display-managers/sddm/default.nix b/pkgs/applications/display-managers/sddm/default.nix
index 5e583049190c..c9fd4f9c4ab9 100644
--- a/pkgs/applications/display-managers/sddm/default.nix
+++ b/pkgs/applications/display-managers/sddm/default.nix
@@ -62,5 +62,6 @@ in mkDerivation rec {
     homepage    = https://github.com/sddm/sddm;
     maintainers = with maintainers; [ abbradar ttuegel ];
     platforms   = platforms.linux;
+    license     = licenses.gpl2Plus;
   };
 }