diff --git a/modules/base.nix b/modules/base.nix
index ef7e60d..f24c499 100644
--- a/modules/base.nix
+++ b/modules/base.nix
@@ -42,6 +42,14 @@ in {
         type = types.listOf types.nonEmptyStr;
         default = [];
       };
+      tftp = {
+        loadAddress = mkOption { type = types.str; };
+        # These names match the uboot environment variables. I reserve
+        # the right to change them if I think of better ones.
+        ipaddr =  mkOption { type = types.str; };
+        serverip =  mkOption { type = types.str; };
+        enable =  mkOption { type = types.boolean; };
+      };
     };
   };
   config = {
diff --git a/modules/tftpboot.nix b/modules/tftpboot.nix
index cd11ecb..974614e 100644
--- a/modules/tftpboot.nix
+++ b/modules/tftpboot.nix
@@ -8,18 +8,6 @@ let
   inherit (lib) mkOption types concatStringsSep;
   cfg = config.boot.tftp;
 in {
-  options = {
-    boot = {
-      tftp = {
-        loadAddress = mkOption { type = types.str; };
-        # These names match the uboot environment variables. I reserve
-        # the right to change them if I think of better ones.
-        ipaddr =  mkOption { type = types.str; };
-        serverip =  mkOption { type = types.str; };
-        enable =  mkOption { type = types.boolean; };
-      };
-    };
-  };
   imports = [ ./ramdisk.nix ];
   config = {
     boot.ramdisk.enable = true;