diff --git a/Oqtane.Server/Infrastructure/Jobs/NotificationJob.cs b/Oqtane.Server/Infrastructure/Jobs/NotificationJob.cs
index 7c8f8b62..2e18950f 100644
--- a/Oqtane.Server/Infrastructure/Jobs/NotificationJob.cs
+++ b/Oqtane.Server/Infrastructure/Jobs/NotificationJob.cs
@@ -20,11 +20,15 @@ namespace Oqtane.Infrastructure
         {
             string log = "";
 
-            // iterate through aliases in this installation
+            // iterate through tenants in this installation
+            List<int> tenants = new List<int>();
             var aliasRepository = provider.GetRequiredService<IAliasRepository>();
             List<Alias> aliases = aliasRepository.GetAliases().ToList();
             foreach (Alias alias in aliases)
             {
+                if (tenants.Contains(alias.TenantId)) continue;
+                tenants.Add(alias.TenantId);
+
                 // use the SiteState to set the Alias explicitly so the tenant can be resolved
                 var siteState = provider.GetRequiredService<SiteState>();
                 siteState.Alias = alias;
@@ -34,7 +38,7 @@ namespace Oqtane.Infrastructure
                 var settingRepository = provider.GetRequiredService<ISettingRepository>();
                 var notificationRepository = provider.GetRequiredService<INotificationRepository>();
 
-                // iterate through sites 
+                // iterate through sites for this tenant
                 List<Site> sites = siteRepository.GetSites().ToList();
                 foreach (Site site in sites)
                 {