diff --git a/include/fmt/base.h b/include/fmt/base.h
index 508d6c79cf30c..2461f6ce103e7 100644
--- a/include/fmt/base.h
+++ b/include/fmt/base.h
@@ -1110,6 +1110,8 @@ template <typename T = char> class counting_buffer : public buffer<T> {
   constexpr auto count() const noexcept -> size_t {
     return count_ + this->size();
   }
+
+  using detail::buffer<T>::append;
 };
 }  // namespace detail