diff --git a/src/Illuminate/Database/Eloquent/Relations/BelongsToMany.php b/src/Illuminate/Database/Eloquent/Relations/BelongsToMany.php
index d15b70ddccbe..b54340ec2559 100755
--- a/src/Illuminate/Database/Eloquent/Relations/BelongsToMany.php
+++ b/src/Illuminate/Database/Eloquent/Relations/BelongsToMany.php
@@ -7,6 +7,7 @@
 use Illuminate\Database\Eloquent\Collection;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\ModelNotFoundException;
+use Illuminate\Database\Eloquent\Relations\Concerns\AsPivot;
 use Illuminate\Support\Str;
 use InvalidArgumentException;
 
@@ -177,7 +178,7 @@ protected function resolveTableName($table)
             return $table;
         }
 
-        if ($model instanceof Pivot) {
+        if (in_array(AsPivot::class, class_uses_recursive($model))) {
             $this->using($table);
         }