diff --git a/modules/EcommerceFinance/Repositories/CourierFreightReconciliationMirrorRepository.php b/modules/EcommerceFinance/Repositories/CourierFreightReconciliationMirrorRepository.php
index ee27d9b0..a366da48 100644
--- a/modules/EcommerceFinance/Repositories/CourierFreightReconciliationMirrorRepository.php
+++ b/modules/EcommerceFinance/Repositories/CourierFreightReconciliationMirrorRepository.php
@@ -230,7 +230,7 @@ class CourierFreightReconciliationMirrorRepository
                 }
                 foreach ($settings as $name => $value) {
                     $previousSettings[$name] = $this->connection->selectOne('SELECT @@SESSION.' . $name . ' AS value')->value;
-                    $this->connection->statement('SET SESSION ' . $name . '=?', [$value]);
+                    $this->setSummarySessionSetting($name, $value);
                 }
             }
             $asOf = now()->toDateTimeString();
@@ -243,7 +243,7 @@ class CourierFreightReconciliationMirrorRepository
         } finally {
             try {
                 foreach (array_reverse($previousSettings, true) as $name => $value) {
-                    $this->connection->statement('SET SESSION ' . $name . '=?', [$value]);
+                    $this->setSummarySessionSetting($name, $value);
                 }
             } finally {
                 $lock->release();
@@ -251,6 +251,17 @@ class CourierFreightReconciliationMirrorRepository
         }
     }
 
+    private function setSummarySessionSetting(string $name, mixed $value): void
+    {
+        if ($name === 'optimizer_switch') {
+            $this->connection->statement('SET SESSION optimizer_switch=?', [$value]);
+            return;
+        }
+        // MariaDB rejects quoted numeric values for these session variables.
+        // Names come only from the fixed settings map above.
+        $this->connection->statement('SET SESSION ' . $name . '=' . (float) $value);
+    }
+
     private function summaryCacheKey(array $filters): string
     {
         $filters = array_filter(array_map(static fn ($value): string => trim((string) $value), $filters), static fn (string $value): bool => $value !== '');