diff --git a/native/jni/Android.mk b/native/jni/Android.mk
index 3bb7b58..5d705b1 100644
--- a/native/jni/Android.mk
+++ b/native/jni/Android.mk
@@ -47,7 +47,8 @@
     dictionary.cpp \
     proximity_info.cpp \
     proximity_info_state.cpp \
-    unigram_dictionary.cpp
+    unigram_dictionary.cpp \
+    gesture/build_check.cpp
 
 LOCAL_SRC_FILES := \
     $(LATIN_IME_JNI_SRC_FILES) \