diff --git a/tdutils/td/utils/Status.h b/tdutils/td/utils/Status.h
index 4540b4138..1bbddc27d 100644
--- a/tdutils/td/utils/Status.h
+++ b/tdutils/td/utils/Status.h
@@ -343,6 +343,7 @@ class Result {
     other.status_ = Status::Error<-2>();
   }
   Result &operator=(Result &&other) {
+    CHECK(this != &other);
     if (status_.is_ok()) {
       value_.~T();
     }