diff --git a/redaction-service-v1/redaction-service-server-v1/src/main/java/com/iqser/red/service/redaction/v1/server/layoutparsing/document/graph/textblock/AtomicTextBlock.java b/redaction-service-v1/redaction-service-server-v1/src/main/java/com/iqser/red/service/redaction/v1/server/layoutparsing/document/graph/textblock/AtomicTextBlock.java
index 1c4d2023..4aa66165 100644
--- a/redaction-service-v1/redaction-service-server-v1/src/main/java/com/iqser/red/service/redaction/v1/server/layoutparsing/document/graph/textblock/AtomicTextBlock.java
+++ b/redaction-service-v1/redaction-service-server-v1/src/main/java/com/iqser/red/service/redaction/v1/server/layoutparsing/document/graph/textblock/AtomicTextBlock.java
@@ -214,7 +214,7 @@ public class AtomicTextBlock implements TextBlock {
                 .filter(boundary::contains)
                 .collect(Collectors.toSet());
         if (boundary.end() == getBoundary().end()) {
-            lbInBoundary.add(getBoundary().length());
+            lbInBoundary.add(getBoundary().end());
         }
         StringBuilder sb = new StringBuilder();
         for (int i = boundary.start(); i < boundary.end(); i++) {