diff --git a/LICENSES/LicenseRef-Reserved.txt b/LICENSES/LicenseRef-Reserved.txt
new file mode 100644
index 0000000..ad850ff
--- /dev/null
+++ b/LICENSES/LicenseRef-Reserved.txt
@@ -0,0 +1 @@
+All rights reserved, unless other license granted.
diff --git a/REUSE.toml b/REUSE.toml
index 200916a..0a69701 100644
--- a/REUSE.toml
+++ b/REUSE.toml
@@ -55,6 +55,6 @@ precedence = "closest"
 
 [[annotations]]
 SPDX-FileCopyrightText = "La Délégation Générale Numérique <contact@dgnum.eu>"
-SPDX-License-Identifier = "Reserved"
+SPDX-License-Identifier = "LicenseRef-Reserved"
 path = ["machines/nixos/compute01/search/static-data/images/dgnum.png", "machines/nixos/compute01/search/static-data/images/favicon.ico", "machines/nixos/compute01/search/static-data/images/favicon.png"]
 precedence = "closest"
diff --git a/default.nix b/default.nix
index e37da4a..7f6253f 100644
--- a/default.nix
+++ b/default.nix
@@ -137,7 +137,7 @@ let
           "machines/nixos/compute01/search/static-data/images/favicon.ico"
           "machines/nixos/compute01/search/static-data/images/favicon.png"
         ];
-        license = "Reserved"; # FIXME: doesn't exist
+        license = "LicenseRef-Reserved";
       }
     ];
   };