diff --git a/src/Metadata/Resource/Factory/OperationDefaultsTrait.php b/src/Metadata/Resource/Factory/OperationDefaultsTrait.php
index 3c53fc6984..fbc90a1f50 100644
--- a/src/Metadata/Resource/Factory/OperationDefaultsTrait.php
+++ b/src/Metadata/Resource/Factory/OperationDefaultsTrait.php
@@ -77,6 +77,12 @@ private function addGlobalDefaults(ApiResource|Operation $operation): ApiResourc
                     $value = [$value];
                 }
 
+                foreach ($value as $index => $item) {
+                    if (\is_int($index) && \in_array($item, $currentValue, true)) {
+                        unset($value[$index]);
+                    }
+                }
+
                 $operation = $operation->{'with'.$upperKey}(array_merge($value, $currentValue));
             }
 
diff --git a/src/Metadata/Tests/Resource/Factory/AttributesResourceMetadataCollectionFactoryTest.php b/src/Metadata/Tests/Resource/Factory/AttributesResourceMetadataCollectionFactoryTest.php
index f9eef140bc..8b211f10fe 100644
--- a/src/Metadata/Tests/Resource/Factory/AttributesResourceMetadataCollectionFactoryTest.php
+++ b/src/Metadata/Tests/Resource/Factory/AttributesResourceMetadataCollectionFactoryTest.php
@@ -246,6 +246,22 @@ public function testExtraProperties(): void
         $this->assertEquals($extraPropertiesResource->getOperation('_api_ExtraPropertiesResource_get')->getExtraProperties(), ['foo' => 'bar']);
     }
 
+    public function testCreateWithListDefaults(): void
+    {
+        $attributeResourceMetadataCollectionFactory = new AttributesResourceMetadataCollectionFactory(defaults: [
+            'types' => ['https://schema.org/CreativeWork'],
+            'schemes' => ['https'],
+        ]);
+
+        $resourceMetadataCollection = $attributeResourceMetadataCollectionFactory->create(AttributeResource::class);
+        $operation = $resourceMetadataCollection->getOperation('_api_AttributeResource_get');
+
+        $this->assertSame(['https://schema.org/CreativeWork'], $resourceMetadataCollection[0]->getTypes());
+        $this->assertInstanceOf(HttpOperation::class, $operation);
+        $this->assertSame(['https://schema.org/CreativeWork'], $operation->getTypes());
+        $this->assertSame(['https'], $operation->getSchemes());
+    }
+
     public function testOverrideNameWithoutOperations(): void
     {
         $attributeResourceMetadataCollectionFactory = new AttributesResourceMetadataCollectionFactory();