diff --git a/cpp/src/parquet/encoding_benchmark.cc b/cpp/src/parquet/encoding_benchmark.cc
index e74a9f55b124f..167879b120e05 100644
--- a/cpp/src/parquet/encoding_benchmark.cc
+++ b/cpp/src/parquet/encoding_benchmark.cc
@@ -1233,12 +1233,11 @@ class BenchmarkDecodeArrowByteArray : public BenchmarkDecodeArrowBase<ByteArrayT
     valid_bits_ = input_array_->null_bitmap_data();
     total_size_ = input_array_->data()->buffers[2]->size();
 
-    values_.reserve(num_values_);
+    values_.resize(num_values_);
     const auto& binary_array = static_cast<const ::arrow::BinaryArray&>(*input_array_);
     for (int64_t i = 0; i < binary_array.length(); i++) {
       auto view = binary_array.GetView(i);
-      values_.emplace_back(static_cast<uint32_t>(view.length()),
-                           reinterpret_cast<const uint8_t*>(view.data()));
+      values_[i] = view;
     }
   }