diff --git a/modules/apps/headless/headless-admin-site/headless-admin-site-impl/src/main/java/com/liferay/headless/admin/site/internal/resource/util/layout/structure/LayoutStructureUtil.java b/modules/apps/headless/headless-admin-site/headless-admin-site-impl/src/main/java/com/liferay/headless/admin/site/internal/resource/util/layout/structure/LayoutStructureUtil.java
new file mode 100644
index 00000000000000..1a0848237fdd38
--- /dev/null
+++ b/modules/apps/headless/headless-admin-site/headless-admin-site-impl/src/main/java/com/liferay/headless/admin/site/internal/resource/util/layout/structure/LayoutStructureUtil.java
@@ -0,0 +1,30 @@
+/**
+ * SPDX-FileCopyrightText: (c) 2024 Liferay, Inc. https://liferay.com
+ * SPDX-License-Identifier: LGPL-2.1-or-later OR LicenseRef-Liferay-DXP-EULA-2.0.0-2023-06
+ */
+
+package com.liferay.headless.admin.site.internal.resource.util.layout.structure;
+
+import com.liferay.headless.admin.site.dto.v1_0.PageElement;
+import com.liferay.layout.util.structure.LayoutStructure;
+import com.liferay.portal.kernel.util.Validator;
+
+/**
+ * @author Eudaldo Alonso
+ */
+public class LayoutStructureUtil {
+
+	public static String getParentExternalReferenceCode(
+		PageElement pageElement, LayoutStructure layoutStructure) {
+
+		String parentExternalReferenceCode =
+			pageElement.getParentExternalReferenceCode();
+
+		if (Validator.isNotNull(parentExternalReferenceCode)) {
+			return parentExternalReferenceCode;
+		}
+
+		return layoutStructure.getMainItemId();
+	}
+
+}
\ No newline at end of file
diff --git a/modules/apps/headless/headless-admin-site/headless-admin-site-impl/src/main/java/com/liferay/headless/admin/site/internal/resource/v1_0/PageElementResourceImpl.java b/modules/apps/headless/headless-admin-site/headless-admin-site-impl/src/main/java/com/liferay/headless/admin/site/internal/resource/v1_0/PageElementResourceImpl.java
index 14b319a6759d5e..02442d65b0fe2f 100644
--- a/modules/apps/headless/headless-admin-site/headless-admin-site-impl/src/main/java/com/liferay/headless/admin/site/internal/resource/v1_0/PageElementResourceImpl.java
+++ b/modules/apps/headless/headless-admin-site/headless-admin-site-impl/src/main/java/com/liferay/headless/admin/site/internal/resource/v1_0/PageElementResourceImpl.java
@@ -10,6 +10,7 @@
 import com.liferay.fragment.service.FragmentEntryLocalService;
 import com.liferay.headless.admin.site.dto.v1_0.PageElement;
 import com.liferay.headless.admin.site.internal.resource.util.GroupUtil;
+import com.liferay.headless.admin.site.internal.resource.util.layout.structure.LayoutStructureUtil;
 import com.liferay.headless.admin.site.internal.resource.util.layout.structure.item.importer.CollectionItemLayoutStructureItemImporter;
 import com.liferay.headless.admin.site.internal.resource.util.layout.structure.item.importer.CollectionLayoutStructureItemImporter;
 import com.liferay.headless.admin.site.internal.resource.util.layout.structure.item.importer.ColumnLayoutStructureItemImporter;
@@ -33,7 +34,6 @@
 import com.liferay.portal.kernel.feature.flag.FeatureFlagManagerUtil;
 import com.liferay.portal.kernel.model.Layout;
 import com.liferay.portal.kernel.service.LayoutLocalService;
-import com.liferay.portal.kernel.util.Validator;
 import com.liferay.portal.vulcan.dto.converter.DTOConverter;
 import com.liferay.portal.vulcan.dto.converter.DTOConverterContext;
 import com.liferay.portal.vulcan.dto.converter.DefaultDTOConverterContext;
@@ -383,7 +383,8 @@ public PageElement putSiteSiteByExternalReferenceCodePageElement(
 
 			layoutStructure.moveLayoutStructureItem(
 				layoutStructureItem.getItemId(),
-				_getParentExternalReferenceCode(pageElement, layoutStructure),
+				LayoutStructureUtil.getParentExternalReferenceCode(
+					pageElement, layoutStructure),
 				pageElement.getPosition());
 
 			_layoutPageTemplateStructureLocalService.
@@ -488,19 +489,6 @@ private DTOConverterContext _getDTOConverterContext(
 		return dtoConverterContext;
 	}
 
-	private String _getParentExternalReferenceCode(
-		PageElement pageElement, LayoutStructure layoutStructure) {
-
-		String parentExternalReferenceCode =
-			pageElement.getParentExternalReferenceCode();
-
-		if (Validator.isNotNull(parentExternalReferenceCode)) {
-			return parentExternalReferenceCode;
-		}
-
-		return layoutStructure.getMainItemId();
-	}
-
 	@Reference
 	private FragmentCollectionContributorRegistry
 		_fragmentCollectionContributorRegistry;