diff --git a/src/db/concern/ModelRelationQuery.php b/src/db/concern/ModelRelationQuery.php
index e6d92531..61ce197a 100644
--- a/src/db/concern/ModelRelationQuery.php
+++ b/src/db/concern/ModelRelationQuery.php
@@ -468,7 +468,7 @@ public function withCache(string | array | bool $relation = true, $key = true, $
      */
     public function withCount(string | array $relation, bool $subQuery = true)
     {
-        return $this->withAggregate($relation, 'count', '*', $subQuery);
+        return $this->withAggregate($relation, 'count', '', $subQuery);
     }
 
     /**
diff --git a/src/model/concern/RelationShip.php b/src/model/concern/RelationShip.php
index 6b2ff2bf..016f2e6d 100644
--- a/src/model/concern/RelationShip.php
+++ b/src/model/concern/RelationShip.php
@@ -428,6 +428,8 @@ public function relationCount(Query $query, array $relations, string $aggregate
 
             $relation = Str::camel($relation);
 
+            $field = $field ?: $this->$relation()->getPk();
+
             if ($useSubQuery) {
                 $count = $this->$relation()->getRelationCountQuery($closure, $aggregate, $field, $name);
             } else {