diff --git a/modules/options/homeVars.nix b/modules/options/homeVars.nix
index 23e16f6..9942d30 100644
--- a/modules/options/homeVars.nix
+++ b/modules/options/homeVars.nix
@@ -11,7 +11,7 @@ in {
     fullName = mkOption {
       type = str;
       description = "your full name (used for git commits and user description)";
-      default = null;
+      default = "User";
     };
     email = mkOption {
       type = str;
diff --git a/modules/options/systemVars.nix b/modules/options/systemVars.nix
index b4aad13..db75ccd 100644
--- a/modules/options/systemVars.nix
+++ b/modules/options/systemVars.nix
@@ -15,7 +15,7 @@ in {
     username = mkOption {
       type = str;
       description = "username for the home directory";
-      default = null;
+      default = "user";
     };
   };