1 files changed, 2 insertions, 2 deletions
diff --git a/nixpkgs/nixos/modules/services/networking/openvpn.nix b/nixpkgs/nixos/modules/services/networking/openvpn.nix
index f47122ee70bf..05be97e66a3d 100644
--- a/nixpkgs/nixos/modules/services/networking/openvpn.nix
+++ b/nixpkgs/nixos/modules/services/networking/openvpn.nix
@@ -182,12 +182,12 @@ in
               options = {
                 username = mkOption {
                   description = "The username to store inside the credentials file.";
-                  type = types.string;
+                  type = types.str;
                 };
 
                 password = mkOption {
                   description = "The password to store inside the credentials file.";
-                  type = types.string;
+                  type = types.str;
                 };
               };
             });