diff --git a/packages/core/database/src/__tests__/repository/find.test.ts b/packages/core/database/src/__tests__/repository/find.test.ts
index 310b88376..7f5520f94 100644
--- a/packages/core/database/src/__tests__/repository/find.test.ts
+++ b/packages/core/database/src/__tests__/repository/find.test.ts
@@ -440,6 +440,15 @@ describe('repository find', () => {
       expect(Object.keys(data)).toEqual(['id', 'posts']);
       expect(Object.keys(data['posts'])).not.toContain('id');
     });
+
+    test('find one with appends', async () => {
+      const profile = await Profile.repository.findOne({
+        filterByTk: 1,
+        appends: ['user.name'],
+      });
+
+      expect(profile.get('user').get('name')).toEqual('u1');
+    });
   });
 
   describe('find', () => {
diff --git a/packages/core/database/src/eager-loading/eager-loading-tree.ts b/packages/core/database/src/eager-loading/eager-loading-tree.ts
index 496dd9681..a2182d136 100644
--- a/packages/core/database/src/eager-loading/eager-loading-tree.ts
+++ b/packages/core/database/src/eager-loading/eager-loading-tree.ts
@@ -76,10 +76,10 @@ export class EagerLoadingTree {
         }
 
         if (associationType == 'BelongsTo') {
-          const { sourceKey, foreignKey } = association;
+          const { targetKey, foreignKey } = association;
 
           pushAttribute(eagerLoadingTreeParent, foreignKey);
-          pushAttribute(child, sourceKey);
+          pushAttribute(child, targetKey);
         }
 
         eagerLoadingTreeParent.children.push(child);