diff --git a/tree/ntuple/src/RFieldMeta.cxx b/tree/ntuple/src/RFieldMeta.cxx
index 9f4cf06be45e5..1f040c588162a 100644
--- a/tree/ntuple/src/RFieldMeta.cxx
+++ b/tree/ntuple/src/RFieldMeta.cxx
@@ -1547,7 +1547,8 @@ ROOT::RStreamerField::RStreamerField(std::string_view fieldName, TClass *classp)
 
 std::unique_ptr<ROOT::RFieldBase> ROOT::RStreamerField::CloneImpl(std::string_view newName) const
 {
-   return std::unique_ptr<RStreamerField>(new RStreamerField(newName, GetTypeName()));
+   // To get the correct TClass instance in the clone, we clone using the un-normalized type name
+   return std::unique_ptr<RStreamerField>(new RStreamerField(newName, fClass->GetName()));
 }
 
 std::size_t ROOT::RStreamerField::AppendImpl(const void *from)
diff --git a/tree/ntuple/test/rfield_class.cxx b/tree/ntuple/test/rfield_class.cxx
index 594010de1b2c0..a492f53d4694d 100644
--- a/tree/ntuple/test/rfield_class.cxx
+++ b/tree/ntuple/test/rfield_class.cxx
@@ -411,6 +411,10 @@ TEST(RNTuple, TClassMetaName)
    ROOT::RStreamerField f6("f", "EdmWrapper<long long>");
    EXPECT_STREQ("EdmWrapper<Long64_t>", f6.GetClass()->GetName());
    EXPECT_EQ("EdmWrapper<Long64_t>", f6.GetTypeAlias());
+   auto clone = f6.Clone("f");
+   auto streamerFieldPtr = static_cast<ROOT::RStreamerField *>(clone.get());
+   EXPECT_STREQ("EdmWrapper<Long64_t>", streamerFieldPtr->GetClass()->GetName());
+   EXPECT_EQ("EdmWrapper<Long64_t>", streamerFieldPtr->GetTypeAlias());
 }
 
 TEST(RNTuple, StreamerInfoRecords)