diff --git a/README.md b/README.md
index c45d7a0a..1aab857b 100644
--- a/README.md
+++ b/README.md
@@ -303,7 +303,7 @@ struct fmt::formatter<my_type> : fmt::formatter<std::string>
 {
     auto format(my_type my, format_context &ctx) const -> decltype(ctx.out())
     {
-        return format_to(ctx.out(), "[my_type i={}]", my.i);
+        return fmt::format_to(ctx.out(), "[my_type i={}]", my.i);
     }
 };
 
diff --git a/example/example.cpp b/example/example.cpp
index a2daf372..26b92a15 100644
--- a/example/example.cpp
+++ b/example/example.cpp
@@ -281,7 +281,7 @@ struct fmt::formatter<my_type> : fmt::formatter<std::string> {
 template <>
 struct std::formatter<my_type> : std::formatter<std::string> {
     auto format(my_type my, format_context &ctx) const -> decltype(ctx.out()) {
-        return format_to(ctx.out(), "[my_type i={}]", my.i);
+        return std::format_to(ctx.out(), "[my_type i={}]", my.i);
     }
 };
 #endif