diff --git a/include/fmt/core.h b/include/fmt/core.h
index cab3dfe0b772..9df1020df143 100644
--- a/include/fmt/core.h
+++ b/include/fmt/core.h
@@ -1253,10 +1253,10 @@ class dynamic_arg_list {
 
  public:
   template <typename T, typename Arg> const T& push(const Arg& arg) {
-    auto node = std::unique_ptr<typed_node<T>>(new typed_node<T>(arg));
-    auto& value = node->value;
-    node->next = std::move(head_);
-    head_ = std::move(node);
+    auto node_ = std::unique_ptr<typed_node<T>>(new typed_node<T>(arg));
+    auto& value = node_->value;
+    node_->next = std::move(head_);
+    head_ = std::move(node_);
     return value;
   }
 };
diff --git a/include/fmt/format.h b/include/fmt/format.h
index 3b1ebe59b252..ca45906dd0b3 100644
--- a/include/fmt/format.h
+++ b/include/fmt/format.h
@@ -3248,9 +3248,9 @@ template <> struct formatter<bytes> {
         specs_.precision, specs_.precision_ref, ctx);
     using range_type =
         internal::output_range<typename FormatContext::iterator, char>;
-    internal::basic_writer<range_type> writer(range_type(ctx.out()));
-    writer.write_bytes(b.data_, specs_);
-    return writer.out();
+    internal::basic_writer<range_type> writer_(range_type(ctx.out()));
+    writer_.write_bytes(b.data_, specs_);
+    return writer_.out();
   }
 
  private: