diff --git a/native/src/defines.h b/native/src/defines.h
index 9c2d087..7e171ac 100644
--- a/native/src/defines.h
+++ b/native/src/defines.h
@@ -217,6 +217,7 @@
 #define SUB_QUEUE_MAX_WORDS 1
 #define SUB_QUEUE_MAX_COUNT 10
 #define SUB_QUEUE_MIN_WORD_LENGTH 4
+#define SUB_QUEUE_MAX_WORD_INDEX 2
 
 #define TWO_WORDS_CORRECTION_WITH_OTHER_ERROR_THRESHOLD 0.39
 #define START_TWO_WORDS_CORRECTION_THRESHOLD 0.22