diff --git a/src/NzbDrone.Core/Datastore/Migration/233_rename_deprecated_indexer_flags.cs b/src/NzbDrone.Core/Datastore/Migration/233_rename_deprecated_indexer_flags.cs
new file mode 100644
index 000000000..0445b9247
--- /dev/null
+++ b/src/NzbDrone.Core/Datastore/Migration/233_rename_deprecated_indexer_flags.cs
@@ -0,0 +1,17 @@
+using FluentMigrator;
+using NzbDrone.Core.Datastore.Migration.Framework;
+
+namespace NzbDrone.Core.Datastore.Migration
+{
+    [Migration(233)]
+    public class rename_deprecated_indexer_flags : NzbDroneMigrationBase
+    {
+        protected override void MainDbUpgrade()
+        {
+            Execute.Sql("UPDATE \"DownloadHistory\" SET \"Release\" = REPLACE(REPLACE(\"Release\", 'hdB_Internal', 'g_Internal'), 'ahD_Internal', 'g_Internal') WHERE \"Release\" IS NOT NULL");
+            Execute.Sql("UPDATE \"IndexerStatus\" SET \"LastRssSyncReleaseInfo\" = REPLACE(REPLACE(\"LastRssSyncReleaseInfo\", 'hdB_Internal', 'g_Internal'), 'ahD_Internal', 'g_Internal') WHERE \"LastRssSyncReleaseInfo\" IS NOT NULL");
+            Execute.Sql("UPDATE \"PendingReleases\" SET \"Release\" = REPLACE(REPLACE(\"Release\", 'hdB_Internal', 'g_Internal'), 'ahD_Internal', 'g_Internal') WHERE \"Release\" IS NOT NULL");
+            Execute.Sql("UPDATE \"History\" SET \"Data\" = REPLACE(REPLACE(\"Data\", 'HDB_Internal', 'G_Internal'), 'AHD_Internal', 'G_Internal') WHERE \"Data\" IS NOT NULL");
+        }
+    }
+}