diff --git a/include/sstream b/include/sstream
index bd5cea9a5..9f75b7e0a 100644
--- a/include/sstream
+++ b/include/sstream
@@ -398,9 +398,9 @@ public:
     typename string_type::size_type __pos           = __view.empty() ? 0 : __view.data() - __str_.data();
     // In C++23, this is just string_type(std::move(__str_), __pos, __view.size(), __str_.get_allocator());
     // But we need something that works in C++20 also.
-    string_type __result(__str_.get_allocator());
-    __result.__move_assign(std::move(__str_), __pos, __view.size());
-    __str_.clear();
+    string_type __result(std::move(__str_), __str_.get_allocator());
+    __result.resize(__pos + __view.size());
+    __result.erase(0, __pos);
     __init_buf_ptrs();
     return __result;
   }