diff --git a/Lombiq.Hosting.Tenants.Maintenance/Helpers/TenantUrlHelpers.cs b/Lombiq.Hosting.Tenants.Maintenance/Helpers/TenantUrlHelpers.cs
index 7f7a214a..9da8aaf5 100644
--- a/Lombiq.Hosting.Tenants.Maintenance/Helpers/TenantUrlHelpers.cs
+++ b/Lombiq.Hosting.Tenants.Maintenance/Helpers/TenantUrlHelpers.cs
@@ -10,16 +10,15 @@ public static string ReplaceTenantName(string url, string tenantName) =>
         url?.Replace("{TenantName}", tenantName.ToLowerInvariant());
 #pragma warning restore CA1308 // Normalize strings to uppercase
 
-    public static string GetTenantUrl(string urlForDefaultTenant, string urlForAnyTenant, ShellSettings shellSettings)
+    public static string GetEvaluatedValueForTenant(
+        string valueForDefaultTenant,
+        string valueForAnyTenant,
+        ShellSettings shellSettings)
     {
-        var evaluatedRequestUrl = !string.IsNullOrEmpty(urlForAnyTenant)
-            ? ReplaceTenantName(urlForAnyTenant, shellSettings.Name)
+        var evaluatedValue = !string.IsNullOrEmpty(valueForAnyTenant)
+            ? ReplaceTenantName(valueForAnyTenant, shellSettings.Name)
             : string.Empty;
-        var defaultShellRequestUrl =
-            string.IsNullOrEmpty(urlForDefaultTenant)
-                ? evaluatedRequestUrl
-                : urlForDefaultTenant;
 
-        return shellSettings.IsDefaultShell() ? defaultShellRequestUrl : evaluatedRequestUrl;
+        return shellSettings.IsDefaultShell() ? valueForDefaultTenant : evaluatedValue;
     }
 }
diff --git a/Lombiq.Hosting.Tenants.Maintenance/Maintenance/UpdateShellRequestUrl/UpdateShellRequestUrlMaintenanceOptions.cs b/Lombiq.Hosting.Tenants.Maintenance/Maintenance/UpdateShellRequestUrl/UpdateShellRequestUrlMaintenanceOptions.cs
index 4f23e550..f73f4318 100644
--- a/Lombiq.Hosting.Tenants.Maintenance/Maintenance/UpdateShellRequestUrl/UpdateShellRequestUrlMaintenanceOptions.cs
+++ b/Lombiq.Hosting.Tenants.Maintenance/Maintenance/UpdateShellRequestUrl/UpdateShellRequestUrlMaintenanceOptions.cs
@@ -6,4 +6,5 @@ public class UpdateShellRequestUrlMaintenanceOptions
     public string DefaultShellRequestUrl { get; set; }
     public string RequestUrl { get; set; }
     public string RequestUrlPrefix { get; set; }
+    public string DefaultShellRequestUrlPrefix { get; set; }
 }
diff --git a/Lombiq.Hosting.Tenants.Maintenance/Maintenance/UpdateShellRequestUrl/UpdateShellRequestUrlsMaintenanceProvider.cs b/Lombiq.Hosting.Tenants.Maintenance/Maintenance/UpdateShellRequestUrl/UpdateShellRequestUrlsMaintenanceProvider.cs
index 2f5c7e53..503db90a 100644
--- a/Lombiq.Hosting.Tenants.Maintenance/Maintenance/UpdateShellRequestUrl/UpdateShellRequestUrlsMaintenanceProvider.cs
+++ b/Lombiq.Hosting.Tenants.Maintenance/Maintenance/UpdateShellRequestUrl/UpdateShellRequestUrlsMaintenanceProvider.cs
@@ -34,13 +34,14 @@ public override async Task ExecuteAsync(MaintenanceTaskExecutionContext context)
         var allShellSettings = await _shellSettingsManager.LoadSettingsAsync();
         foreach (var shellSettings in allShellSettings)
         {
-            shellSettings.RequestUrlHost = TenantUrlHelpers.GetTenantUrl(
+            shellSettings.RequestUrlHost = TenantUrlHelpers.GetEvaluatedValueForTenant(
                 _options.Value.DefaultShellRequestUrl,
                 _options.Value.RequestUrl,
                 shellSettings);
-            shellSettings.RequestUrlPrefix = TenantUrlHelpers.ReplaceTenantName(
+            shellSettings.RequestUrlPrefix = TenantUrlHelpers.GetEvaluatedValueForTenant(
+                _options.Value.DefaultShellRequestUrlPrefix,
                 _options.Value.RequestUrlPrefix,
-                shellSettings.Name);
+                shellSettings);
 
             await _shellSettingsManager.SaveSettingsAsync(shellSettings);
         }
diff --git a/Lombiq.Hosting.Tenants.Maintenance/Maintenance/UpdateSiteUrl/UpdateSiteUrlMaintenanceProvider.cs b/Lombiq.Hosting.Tenants.Maintenance/Maintenance/UpdateSiteUrl/UpdateSiteUrlMaintenanceProvider.cs
index a732507c..68931684 100644
--- a/Lombiq.Hosting.Tenants.Maintenance/Maintenance/UpdateSiteUrl/UpdateSiteUrlMaintenanceProvider.cs
+++ b/Lombiq.Hosting.Tenants.Maintenance/Maintenance/UpdateSiteUrl/UpdateSiteUrlMaintenanceProvider.cs
@@ -31,7 +31,7 @@ public override Task<bool> ShouldExecuteAsync(MaintenanceTaskExecutionContext co
     public override async Task ExecuteAsync(MaintenanceTaskExecutionContext context)
     {
         var siteSettings = await _siteService.LoadSiteSettingsAsync();
-        siteSettings.BaseUrl = TenantUrlHelpers.GetTenantUrl(
+        siteSettings.BaseUrl = TenantUrlHelpers.GetEvaluatedValueForTenant(
             _options.Value.DefaultTenantSiteUrl,
             _options.Value.SiteUrl,
             _shellSettings);
diff --git a/Lombiq.Hosting.Tenants.Maintenance/Readme.md b/Lombiq.Hosting.Tenants.Maintenance/Readme.md
index 1c4decf0..4ace2cee 100644
--- a/Lombiq.Hosting.Tenants.Maintenance/Readme.md
+++ b/Lombiq.Hosting.Tenants.Maintenance/Readme.md
@@ -66,6 +66,7 @@ The following configuration options are available to set the shell request URLs:
         "IsEnabled": true,
         "DefaultShellRequestUrl": "domain.com",
         "RequestUrl": "{TenantName}.domain.com",
+        "DefaultShellRequestUrlPrefix": "",
         "RequestUrlPrefix": "{TenantName}"
       }
     }