diff --git a/BTCPayServer/HostedServices/CssThemeManager.cs b/BTCPayServer/HostedServices/CssThemeManager.cs
index ddba26c96..8bd9bc809 100644
--- a/BTCPayServer/HostedServices/CssThemeManager.cs
+++ b/BTCPayServer/HostedServices/CssThemeManager.cs
@@ -22,7 +22,7 @@ namespace BTCPayServer.HostedServices
         public void Update(ThemeSettings data)
         {
             if (String.IsNullOrWhiteSpace(data.ThemeCssUri))
-                _themeUri = "/main/themes/classic.css";
+                _themeUri = "/main/themes/default.css";
             else
                 _themeUri = data.ThemeCssUri;
 
diff --git a/BTCPayServer/Views/Server/Theme.cshtml b/BTCPayServer/Views/Server/Theme.cshtml
index 6d4c367b8..85ce231fb 100644
--- a/BTCPayServer/Views/Server/Theme.cshtml
+++ b/BTCPayServer/Views/Server/Theme.cshtml
@@ -18,8 +18,8 @@
             <div class="form-group">
                 <label asp-for="ThemeCssUri"></label>
                 <select asp-for="ThemeCssUri" class="form-control">
+                    <option value="/main/themes/default.css">Default</option>
                     <option value="/main/themes/classic.css">Classic</option>
-                    <option value="/main/themes/modern.css">Modern</option>
                     <option value="/main/themes/casa.css">Casa</option>
                 </select>
                 <span asp-validation-for="ThemeCssUri" class="text-danger"></span>
diff --git a/BTCPayServer/wwwroot/main/themes/modern.css b/BTCPayServer/wwwroot/main/themes/default.css
similarity index 100%
rename from BTCPayServer/wwwroot/main/themes/modern.css
rename to BTCPayServer/wwwroot/main/themes/default.css