diff --git a/native/jni/Android.mk b/native/jni/Android.mk
index 1cdfbe4..9db5047 100644
--- a/native/jni/Android.mk
+++ b/native/jni/Android.mk
@@ -53,6 +53,7 @@
         dic_nodes_cache.cpp) \
     $(addprefix suggest/core/dictionary/, \
         bigram_dictionary.cpp \
+        binary_dictionary_bigrams_reading_utils.cpp \
         binary_dictionary_format_utils.cpp \
         binary_dictionary_header.cpp \
         binary_dictionary_header_reading_utils.cpp \