diff --git a/src/ArduinoJson/Variant/ConverterImpl.hpp b/src/ArduinoJson/Variant/ConverterImpl.hpp
index a82f4aec..62a60198 100644
--- a/src/ArduinoJson/Variant/ConverterImpl.hpp
+++ b/src/ArduinoJson/Variant/ConverterImpl.hpp
@@ -176,7 +176,7 @@ struct Converter<SerializedValue<T>> : private detail::VariantAttorney {
   static void toJson(SerializedValue<T> src, JsonVariant dst) {
     auto variant = getImpl(dst);
     variant.clear();
-    variant.setRawString(src);
+    variant.setRawString(detail::adaptString(src.data(), src.size()));
   }
 };
 
diff --git a/src/ArduinoJson/Variant/VariantImpl.hpp b/src/ArduinoJson/Variant/VariantImpl.hpp
index 2b601539..1f8a74f9 100644
--- a/src/ArduinoJson/Variant/VariantImpl.hpp
+++ b/src/ArduinoJson/Variant/VariantImpl.hpp
@@ -440,11 +440,11 @@ class VariantImpl {
     return true;
   }
 
-  template <typename T>
-  void setRawString(SerializedValue<T> value) {
+  template <typename TAdaptedString>
+  void setRawString(TAdaptedString value) {
     if (!data_)
       return;
-    auto dup = resources_->saveString(adaptString(value.data(), value.size()));
+    auto dup = resources_->saveString(value);
     if (dup)
       data_->setRawString(dup);
   }