diff --git a/packages/backend-core/src/sql/utils.ts b/packages/backend-core/src/sql/utils.ts
index 746a949ef3..33f51b23ac 100644
--- a/packages/backend-core/src/sql/utils.ts
+++ b/packages/backend-core/src/sql/utils.ts
@@ -47,6 +47,9 @@ export function isExternalTable(table: Table) {
   if (
     table?.sourceId &&
     table.sourceId.includes(DocumentType.DATASOURCE + SEPARATOR) &&
+    !table.sourceId.startsWith(
+      DocumentType.DATASOURCE + SEPARATOR + "bb_internal_"
+    ) &&
     table?.sourceId !== DEFAULT_BB_DATASOURCE_ID
   ) {
     return true