diff --git a/modules/system/services/gatus.nix b/modules/system/services/gatus.nix
index f01856a..4a71d43 100644
--- a/modules/system/services/gatus.nix
+++ b/modules/system/services/gatus.nix
@@ -15,7 +15,7 @@ in
                 default = name;
               };
               group = lib.mkOption {
-                type = lib.types.nullOr lib.types.str;
+                type = lib.types.nullOr lib.types.nonEmptyStr;
                 default = null;
               };
               url = lib.mkOption {
diff --git a/modules/system/wifi.nix b/modules/system/wifi.nix
index 2cafecc..6d57810 100644
--- a/modules/system/wifi.nix
+++ b/modules/system/wifi.nix
@@ -11,7 +11,7 @@ in
   options.custom.wifi = {
     enable = lib.mkEnableOption "";
     networks = lib.mkOption {
-      type = lib.types.listOf lib.types.str;
+      type = lib.types.listOf lib.types.nonEmptyStr;
       default = config.custom.sops.secrets.iwd |> lib.attrNames;
     };
   };