diff --git a/modules/EcommerceFinance/Repositories/ThirdPartyWarehouseStorageMirrorRepository.php b/modules/EcommerceFinance/Repositories/ThirdPartyWarehouseStorageMirrorRepository.php
index a9b8cdcb..45698ce2 100644
--- a/modules/EcommerceFinance/Repositories/ThirdPartyWarehouseStorageMirrorRepository.php
+++ b/modules/EcommerceFinance/Repositories/ThirdPartyWarehouseStorageMirrorRepository.php
@@ -1474,12 +1474,16 @@ class ThirdPartyWarehouseStorageMirrorRepository
         ?int $warehouseId = self::WAREHOUSE_ID,
     ): Builder
     {
-        $query = $this->connection->table(self::ITEM_TABLE . ' as i')
-            ->join(self::HEADER_TABLE . ' as h', function ($join) use ($headerGeneration): void {
-                $join->on('h.io_id', '=', 'i.io_id')
-                    ->where('h.generation', '=', $headerGeneration);
-            })
-            ->where('i.generation', $itemGeneration)
+        $query = $this->connection->table(self::HEADER_TABLE . ' as h');
+        // MariaDB otherwise scans every historical header for the all-warehouse roll-forward.
+        if ($warehouseId === null && $this->connection->getDriverName() === 'mysql') {
+            $query->forceIndex('tpw_headers_report_index');
+        }
+        $query->join(self::ITEM_TABLE . ' as i', function ($join) use ($itemGeneration): void {
+            $join->on('i.io_id', '=', 'h.io_id')
+                ->where('i.generation', '=', $itemGeneration);
+        })
+            ->where('h.generation', $headerGeneration)
             ->where('h.status', 'Confirmed')
             ->whereIn('h.io_type', array_values(self::MOVEMENT_COLUMNS))
             ->whereNotExists(function (Builder $newer) use ($headerGeneration): void {