diff --git a/parquet-plugins/parquet-encoding-vector/src/main/java/org/apache/parquet/column/values/bitpacking/ByteBitPacking512VectorLE.java b/parquet-plugins/parquet-encoding-vector/src/main/java/org/apache/parquet/column/values/bitpacking/ByteBitPacking512VectorLE.java
index eb1690a4e1..1c3e2a48be 100644
--- a/parquet-plugins/parquet-encoding-vector/src/main/java/org/apache/parquet/column/values/bitpacking/ByteBitPacking512VectorLE.java
+++ b/parquet-plugins/parquet-encoding-vector/src/main/java/org/apache/parquet/column/values/bitpacking/ByteBitPacking512VectorLE.java
@@ -1652,7 +1652,7 @@ private static final class Packer16 extends BytePacker {
     private static final VectorSpecies<Integer> I512 = IntVector.SPECIES_512;
     private static final VectorMask<Byte> inp_mask = VectorMask.fromLong(B512, 0xffffffffffffffffL);
 
-    private int unpackCount = 16;
+    private int unpackCount = 32;
 
     public int getUnpackCount() {
       return unpackCount;