diff --git a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-web/nifi-web-api/src/main/java/org/apache/nifi/web/api/dto/DtoFactory.java b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-web/nifi-web-api/src/main/java/org/apache/nifi/web/api/dto/DtoFactory.java
index 78584c385a..6157285262 100644
--- a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-web/nifi-web-api/src/main/java/org/apache/nifi/web/api/dto/DtoFactory.java
+++ b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-web/nifi-web-api/src/main/java/org/apache/nifi/web/api/dto/DtoFactory.java
@@ -520,9 +520,9 @@ public final class DtoFactory {
             dto.setContentClaimSection(resourceClaim.getSection());
             dto.setContentClaimContainer(resourceClaim.getContainer());
             dto.setContentClaimIdentifier(resourceClaim.getId());
-            dto.setContentClaimOffset(contentClaim.getOffset());
-            dto.setContentClaimFileSizeBytes(contentClaim.getLength());
-            dto.setContentClaimFileSize(FormatUtils.formatDataSize(contentClaim.getLength()));
+            dto.setContentClaimOffset(contentClaim.getOffset() + record.getContentClaimOffset());
+            dto.setContentClaimFileSizeBytes(record.getSize());
+            dto.setContentClaimFileSize(FormatUtils.formatDataSize(record.getSize()));
         }
 
         return dto;