diff --git a/native/jni/Android.mk b/native/jni/Android.mk
index 0f7aef2..edcc067 100644
--- a/native/jni/Android.mk
+++ b/native/jni/Android.mk
@@ -35,6 +35,7 @@
 LATIN_IME_JNI_SRC_FILES := \
     com_android_inputmethod_keyboard_ProximityInfo.cpp \
     com_android_inputmethod_latin_BinaryDictionary.cpp \
+    com_android_inputmethod_latin_NativeUtils.cpp \
     jni_common.cpp
 
 LATIN_IME_CORE_SRC_FILES := \