diff --git a/java/src/com/android/inputmethod/latin/personalization/UserHistoryDictionary.java b/java/src/com/android/inputmethod/latin/personalization/UserHistoryDictionary.java
index 022d2adef..a98b0f156 100644
--- a/java/src/com/android/inputmethod/latin/personalization/UserHistoryDictionary.java
+++ b/java/src/com/android/inputmethod/latin/personalization/UserHistoryDictionary.java
@@ -75,7 +75,7 @@ public class UserHistoryDictionary extends DecayingExpandableBinaryDictionaryBas
             return;
         }
         if (null != prevWord) {
-            if (prevWordsInfo.mIsBeginningOfSentence) {
+            if (prevWordsInfo.mPrevWordsInfo[0].mIsBeginningOfSentence) {
                 // Beginning-of-Sentence n-gram entry is treated as a n-gram entry of invalid word.
                 userHistoryDictionary.addNgramEntry(prevWordsInfo, word,
                         FREQUENCY_FOR_WORDS_NOT_IN_DICTS, timestamp);