diff --git a/include/fmt/core.h b/include/fmt/core.h
index 4893ba97..96912a40 100644
--- a/include/fmt/core.h
+++ b/include/fmt/core.h
@@ -847,10 +847,11 @@ template <typename T = char> class counting_buffer : public buffer<T> {
 template <typename T>
 class buffer_appender : public std::back_insert_iterator<buffer<T>> {
   using base = std::back_insert_iterator<buffer<T>>;
- 
  public:
-  explicit buffer_appender(buffer<T>& buf) : base(buf) {}
-  buffer_appender(base it) : base(it) {}
+  explicit buffer_appender(buffer<T>& buf) 
+      : base(buf) {}
+  buffer_appender(base it) 
+      : base(it) {}
 
   buffer_appender& operator++() {
     base::operator++();