diff --git a/modules/apps/asset/asset-display-page-service/src/test/java/com/liferay/asset/display/page/internal/portlet/CustomAssetDisplayPageFriendlyURLResolverTest.java b/modules/apps/asset/asset-display-page-service/src/test/java/com/liferay/asset/display/page/internal/portlet/CustomAssetDisplayPageFriendlyURLResolverTest.java
index f87155c092c3b3..628bca33d5f150 100644
--- a/modules/apps/asset/asset-display-page-service/src/test/java/com/liferay/asset/display/page/internal/portlet/CustomAssetDisplayPageFriendlyURLResolverTest.java
+++ b/modules/apps/asset/asset-display-page-service/src/test/java/com/liferay/asset/display/page/internal/portlet/CustomAssetDisplayPageFriendlyURLResolverTest.java
@@ -226,7 +226,7 @@ private void _setUpPortal() {
 		_assetRendererFactoryRegistryUtilMockedStatic = Mockito.mockStatic(
 			AssetRendererFactoryRegistryUtil.class);
 
-	private CustomAssetDisplayPageFriendlyURLResolver
+	private final CustomAssetDisplayPageFriendlyURLResolver
 		_customAssetDisplayPageFriendlyURLResolver =
 			new CustomAssetDisplayPageFriendlyURLResolver();