diff --git a/nixos/modules/services/network-filesystems/tahoe.nix b/nixos/modules/services/network-filesystems/tahoe.nix
index f91827c379d..94668c9bb69 100644
--- a/nixos/modules/services/network-filesystems/tahoe.nix
+++ b/nixos/modules/services/network-filesystems/tahoe.nix
@@ -8,7 +8,7 @@ in
     options.services.tahoe = {
       introducers = mkOption {
         default = {};
-        type = with types; loaOf (submodule {
+        type = with types; attrsOf (submodule {
           options = {
             nickname = mkOption {
               type = types.str;
@@ -49,7 +49,7 @@ in
       };
       nodes = mkOption {
         default = {};
-        type = with types; loaOf (submodule {
+        type = with types; attrsOf (submodule {
           options = {
             nickname = mkOption {
               type = types.str;