diff --git a/app/src/main/cpp/CMakeLists.txt b/app/src/main/cpp/CMakeLists.txt
index 1b5a9b3e..69efa786 100644
--- a/app/src/main/cpp/CMakeLists.txt
+++ b/app/src/main/cpp/CMakeLists.txt
@@ -44,7 +44,13 @@ add_definitions(-DUSING_HDRPLUS)
 add_definitions(-DUSING_EXEC_HDRP=1)
 set(USING_EXEC_HDRP 1)
 
-add_definitions(-DUSING_N938)
+if(ANDROID_ABI STREQUAL "armeabi-v7a")
+    add_definitions(-DUSING_N938)
+elseif(ANDROID_ABI STREQUAL "arm64-v8a")
+    # add_definitions(-DUSING_N938)
+endif()
+
+
 
 # include_directories(${OpenCV_DIR}/include)
 # add_library( lib_opencv SHARED IMPORTED )