diff --git a/native/jni/src/suggest/policyimpl/dictionary/structure/v2/patricia_trie_policy.h b/native/jni/src/suggest/policyimpl/dictionary/structure/v2/patricia_trie_policy.h
index a3f7970..70e8d84 100644
--- a/native/jni/src/suggest/policyimpl/dictionary/structure/v2/patricia_trie_policy.h
+++ b/native/jni/src/suggest/policyimpl/dictionary/structure/v2/patricia_trie_policy.h
@@ -46,10 +46,9 @@
                       FormatUtils::VERSION_2),
               mBuffer(mMmappedBuffer->getReadOnlyByteArrayView().skip(mHeaderPolicy.getSize())),
               mBigramListPolicy(mBuffer), mShortcutListPolicy(mBuffer),
-              mPtNodeReader(mBuffer.data(), mBuffer.size(), &mBigramListPolicy,
-                      &mShortcutListPolicy),
-              mPtNodeArrayReader(mBuffer),
-              mTerminalPtNodePositionsForIteratingWords(), mIsCorrupted(false) {}
+              mPtNodeReader(mBuffer, &mBigramListPolicy, &mShortcutListPolicy),
+              mPtNodeArrayReader(mBuffer), mTerminalPtNodePositionsForIteratingWords(),
+              mIsCorrupted(false) {}
 
     AK_FORCE_INLINE int getRootPosition() const {
         return 0;
diff --git a/native/jni/src/suggest/policyimpl/dictionary/structure/v2/ver2_patricia_trie_node_reader.cpp b/native/jni/src/suggest/policyimpl/dictionary/structure/v2/ver2_patricia_trie_node_reader.cpp
index c1e9387..74cdf79 100644
--- a/native/jni/src/suggest/policyimpl/dictionary/structure/v2/ver2_patricia_trie_node_reader.cpp
+++ b/native/jni/src/suggest/policyimpl/dictionary/structure/v2/ver2_patricia_trie_node_reader.cpp
@@ -22,10 +22,10 @@
 
 const PtNodeParams Ver2ParticiaTrieNodeReader::fetchPtNodeParamsInBufferFromPtNodePos(
         const int ptNodePos) const {
-    if (ptNodePos < 0 || ptNodePos >= mDictSize) {
+    if (ptNodePos < 0 || ptNodePos >= static_cast<int>(mBuffer.size())) {
         // Reading invalid position because of bug or broken dictionary.
-        AKLOGE("Fetching PtNode info from invalid dictionary position: %d, dictionary size: %d",
-                ptNodePos, mDictSize);
+        AKLOGE("Fetching PtNode info from invalid dictionary position: %d, dictionary size: %zd",
+                ptNodePos, mBuffer.size());
         ASSERT(false);
         return PtNodeParams();
     }
@@ -37,7 +37,7 @@
     int shortcutPos = NOT_A_DICT_POS;
     int bigramPos = NOT_A_DICT_POS;
     int siblingPos = NOT_A_DICT_POS;
-    PatriciaTrieReadingUtils::readPtNodeInfo(mDictBuffer, ptNodePos, mShortuctPolicy,
+    PatriciaTrieReadingUtils::readPtNodeInfo(mBuffer.data(), ptNodePos, mShortuctPolicy,
             mBigramPolicy, &flags, &mergedNodeCodePointCount, mergedNodeCodePoints, &probability,
             &childrenPos, &shortcutPos, &bigramPos, &siblingPos);
     if (mergedNodeCodePointCount <= 0) {
diff --git a/native/jni/src/suggest/policyimpl/dictionary/structure/v2/ver2_patricia_trie_node_reader.h b/native/jni/src/suggest/policyimpl/dictionary/structure/v2/ver2_patricia_trie_node_reader.h
index f0725b6..0f6769d 100644
--- a/native/jni/src/suggest/policyimpl/dictionary/structure/v2/ver2_patricia_trie_node_reader.h
+++ b/native/jni/src/suggest/policyimpl/dictionary/structure/v2/ver2_patricia_trie_node_reader.h
@@ -22,6 +22,7 @@
 #include "defines.h"
 #include "suggest/policyimpl/dictionary/structure/pt_common/pt_node_params.h"
 #include "suggest/policyimpl/dictionary/structure/pt_common/pt_node_reader.h"
+#include "utils/byte_array_view.h"
 
 namespace latinime {
 
@@ -30,19 +31,17 @@
 
 class Ver2ParticiaTrieNodeReader : public PtNodeReader {
  public:
-    Ver2ParticiaTrieNodeReader(const uint8_t *const dictBuffer, const int dictSize,
+    Ver2ParticiaTrieNodeReader(const ReadOnlyByteArrayView buffer,
             const DictionaryBigramsStructurePolicy *const bigramPolicy,
             const DictionaryShortcutsStructurePolicy *const shortcutPolicy)
-            : mDictBuffer(dictBuffer), mDictSize(dictSize), mBigramPolicy(bigramPolicy),
-              mShortuctPolicy(shortcutPolicy) {}
+            : mBuffer(buffer), mBigramPolicy(bigramPolicy), mShortuctPolicy(shortcutPolicy) {}
 
     virtual const PtNodeParams fetchPtNodeParamsInBufferFromPtNodePos(const int ptNodePos) const;
 
  private:
     DISALLOW_IMPLICIT_CONSTRUCTORS(Ver2ParticiaTrieNodeReader);
 
-    const uint8_t *const mDictBuffer;
-    const int mDictSize;
+    const ReadOnlyByteArrayView mBuffer;
     const DictionaryBigramsStructurePolicy *const mBigramPolicy;
     const DictionaryShortcutsStructurePolicy *const mShortuctPolicy;
 };