diff --git a/src/HC.PageNotFoundManager.Core/Backoffice/MenuRenderingNotificationHandler.cs b/src/HC.PageNotFoundManager.Core/Backoffice/MenuRenderingNotificationHandler.cs
index 5ed0b6c..6b48408 100644
--- a/src/HC.PageNotFoundManager.Core/Backoffice/MenuRenderingNotificationHandler.cs
+++ b/src/HC.PageNotFoundManager.Core/Backoffice/MenuRenderingNotificationHandler.cs
@@ -28,7 +28,7 @@ public MenuRenderingNotificationHandler(IOptions<PageNotFound> settings, IBackOf
         public void Handle(MenuRenderingNotification notification)
         {
             if (notification.TreeAlias != Umbraco.Cms.Core.Constants.Trees.Content
-                && int.TryParse(notification.NodeId, out var nodeId) && nodeId <= 0) return;
+                || int.TryParse(notification.NodeId, out var nodeId) && nodeId <= 0) return;
 
             if (backOfficeSecurity.BackOfficeSecurity.CurrentUser == null) return;
 
diff --git a/src/HC.PageNotFoundManager.Core/Migrations/InitialMigration.cs b/src/HC.PageNotFoundManager.Core/Migrations/InitialMigration.cs
index a886b35..91d7fdb 100644
--- a/src/HC.PageNotFoundManager.Core/Migrations/InitialMigration.cs
+++ b/src/HC.PageNotFoundManager.Core/Migrations/InitialMigration.cs
@@ -28,22 +28,33 @@ protected override void Migrate()
         }
     }
 
-    public class PageNotFoundMigrationPlan : MigrationPlan
+    public class MigrateV8DataMigration : MigrationBase
     {
+        public const string MigrationName = "page-not-found-manager-migration-legacy-data";
+        private readonly ILogger<MigrateV8DataMigration> logger;
 
-        public PageNotFoundMigrationPlan()
-            : base("PageNotFoundManager") => DefinePlan();
+        public MigrateV8DataMigration(IMigrationContext context, ILogger<MigrateV8DataMigration> logger) : base(context)
+        {
+            this.logger = logger ?? throw new ArgumentNullException(nameof(logger));
+
+        }
+
+        protected override void Migrate()
+        {
+            logger.LogDebug("Starting migration - {migrationName}", MigrationName);
 
-        /// <inheritdoc/>
-        public override string InitialState => "{pagenotfound-init-state}";
+            if (TableExists("pageNotFoundConfig"))
+                MigrateLegacyData();
+        }
 
-        /// <summary>
-        /// Defines the plan.
-        /// </summary>
-        protected void DefinePlan()
+        private void MigrateLegacyData()
         {
-            From("{pagenotfound-init-state}")
-                .To<InitialMigration>("{pagenotfound-init-complete}");
+            var sql = this.Sql().Select("unP.uniqueId as ParentId", "unF.uniqueId as NotFoundPageId").From("pageNotFoundConfig as org")
+                .LeftJoin("umbracoNode as unP").On("org.ParentId = unP.id")
+                .LeftJoin("umbracoNode as unF").On("org.NotFoundPageId = unF.id");
+
+            var toMigrate = Database.Fetch<PageNotFoundInitialMigrationModel>(sql);
+            Database.InsertBatch(toMigrate);                
         }
     }
 
diff --git a/src/HC.PageNotFoundManager.Core/Migrations/PageNotFoundMigrationPlan.cs b/src/HC.PageNotFoundManager.Core/Migrations/PageNotFoundMigrationPlan.cs
new file mode 100644
index 0000000..5c4f6ba
--- /dev/null
+++ b/src/HC.PageNotFoundManager.Core/Migrations/PageNotFoundMigrationPlan.cs
@@ -0,0 +1,25 @@
+using Umbraco.Cms.Infrastructure.Migrations;
+
+namespace HC.PageNotFoundManager.Core.Migrations
+{
+    public class PageNotFoundMigrationPlan : MigrationPlan
+    {
+
+        public PageNotFoundMigrationPlan()
+            : base("PageNotFoundManager") => DefinePlan();
+
+        /// <inheritdoc/>
+        public override string InitialState => "{pagenotfound-init-state}";
+
+        /// <summary>
+        /// Defines the plan.
+        /// </summary>
+        protected void DefinePlan()
+        {
+            From("{pagenotfound-init-state}")
+                .To<InitialMigration>("{pagenotfound-init-complete}")
+                .To<MigrateV8DataMigration>("{pagenotfound-legacy-data-complete}");
+        }
+    }
+
+}