diff --git a/src/android_stub/sync_stub.cpp b/src/android_stub/sync_stub.cpp
index d76663c8304..12adb25f216 100644
--- a/src/android_stub/sync_stub.cpp
+++ b/src/android_stub/sync_stub.cpp
@@ -15,7 +15,7 @@ int sync_merge(const char *name, int fd, int fd2)
 
 struct sync_file_info* sync_file_info(int32_t fd)
 {
-   return NULL;
+   return nullptr;
 }
 
 void sync_file_info_free(struct sync_file_info* info)