diff --git a/book/default.nix b/book/default.nix
index 3d1a267..21a3dd6 100644
--- a/book/default.nix
+++ b/book/default.nix
@@ -35,7 +35,8 @@ let
     '';
   };
 in pkgs.dockerTools.buildLayeredImage {
-  name = "xena/lewa-book:${version}";
+  name = "xena/lewa-book";
+  tag = version;
   contents = [ book nur.repos.xe.quickserv ];
   config.Cmd = [ "/bin/quickserv" "-port=9001" "-dir=/book" ];
 }