diff --git a/java/vector/src/main/codegen/templates/NullableValueVectors.java b/java/vector/src/main/codegen/templates/NullableValueVectors.java
index 4aa0076dc8b..092097bb2bd 100644
--- a/java/vector/src/main/codegen/templates/NullableValueVectors.java
+++ b/java/vector/src/main/codegen/templates/NullableValueVectors.java
@@ -143,6 +143,7 @@ public void loadFieldBuffers(ArrowFieldNode fieldNode, List<ArrowBuf> ownBuffers
     org.apache.arrow.vector.BaseDataValueVector.truncateBufferBasedOnSize(ownBuffers, 1,
         values.offsetVector.getBufferSizeFor(
         fieldNode.getLength() == 0? 0 : fieldNode.getLength() + 1));
+    mutator.lastSet = fieldNode.getLength() - 1;
     <#else>
     // fixed width values truncate value vector to size (#1)
     org.apache.arrow.vector.BaseDataValueVector.truncateBufferBasedOnSize(ownBuffers, 1, values.getBufferSizeFor(fieldNode.getLength()));
diff --git a/java/vector/src/main/java/org/apache/arrow/vector/complex/ListVector.java b/java/vector/src/main/java/org/apache/arrow/vector/complex/ListVector.java
index c2f55767ba6..0a3e728c3f0 100644
--- a/java/vector/src/main/java/org/apache/arrow/vector/complex/ListVector.java
+++ b/java/vector/src/main/java/org/apache/arrow/vector/complex/ListVector.java
@@ -115,6 +115,7 @@ public void loadFieldBuffers(ArrowFieldNode fieldNode, List<ArrowBuf> ownBuffers
     // variable width values: truncate offset vector buffer to size (#1)
     org.apache.arrow.vector.BaseDataValueVector.truncateBufferBasedOnSize(ownBuffers, 1, offsets.getBufferSizeFor(fieldNode.getLength() + 1));
     BaseDataValueVector.load(fieldNode, getFieldInnerVectors(), ownBuffers);
+    lastSet = fieldNode.getLength();
   }
 
   @Override