diff --git a/src/RelationJoinQuery.php b/src/RelationJoinQuery.php
index ad4a087..dfcd536 100644
--- a/src/RelationJoinQuery.php
+++ b/src/RelationJoinQuery.php
@@ -261,8 +261,14 @@ protected static function hasOneOrManyThrough(Relation $relation, Builder $query
      */
     protected static function morphOneOrMany(Relation $relation, Builder $query, Builder $parentQuery, string $type = 'inner', string $alias = null)
     {
+        if (! is_null($alias) && $alias != $relation->getRelated()->getTable()) {
+            $query->from($relation->getRelated()->getTable() . ' as ' . $alias);
+
+            $relation->getRelated()->setTable($alias);
+        }
+
         return static::hasOneOrMany($relation, $query, $parentQuery, $type, $alias)->where(
-            $relation->getQualifiedMorphType(), '=', $relation->getMorphClass()
+            $relation->getRelated()->qualifyColumn($relation->getMorphType()), '=', $relation->getMorphClass()
         );
     }
 
diff --git a/tests/Unit/MorphOneTest.php b/tests/Unit/MorphOneTest.php
index 6b72782..bbd5bb7 100644
--- a/tests/Unit/MorphOneTest.php
+++ b/tests/Unit/MorphOneTest.php
@@ -25,12 +25,26 @@ public function basic(Closure $query, string $builderClass)
      * @test
      * @dataProvider queryDataProvider
      */
-    public function alias(Closure $query, string $builderClass)
+    public function alias_not_nested(Closure $query, string $builderClass)
     {
         $builder = $query(new EloquentPostModelStub)
-            ->joinRelation('image');
+            ->joinRelation('image as photos');
 
-        $this->assertEquals('select * from "posts" inner join "images" on "images"."imageable_id" = "posts"."id" and "images"."imageable_type" = ?', $builder->toSql());
+        $this->assertEquals('select * from "posts" inner join "images" as "photos" on "photos"."imageable_id" = "posts"."id" and "photos"."imageable_type" = ?', $builder->toSql());
+        $this->assertEquals([0 => EloquentPostModelStub::class], $builder->getBindings());
+        $this->assertEquals($builderClass, get_class($builder));
+    }
+
+    /**
+     * @test
+     * @dataProvider queryDataProvider
+     */
+    public function alias_nested(Closure $query, string $builderClass)
+    {
+        $builder = $query(new EloquentPostModelStub)
+            ->joinRelation('image as photos.uploadedBy');
+
+        $this->assertEquals('select * from "posts" inner join "images" as "photos" on "photos"."imageable_id" = "posts"."id" and "photos"."imageable_type" = ? inner join "users" on "users"."id" = "photos"."uploaded_by_id"', $builder->toSql());
         $this->assertEquals([0 => EloquentPostModelStub::class], $builder->getBindings());
         $this->assertEquals($builderClass, get_class($builder));
     }