diff --git a/tree/dataframe/src/RNTupleDS.cxx b/tree/dataframe/src/RNTupleDS.cxx
index 82c72ee81102e..5cf818ab3e8c9 100644
--- a/tree/dataframe/src/RNTupleDS.cxx
+++ b/tree/dataframe/src/RNTupleDS.cxx
@@ -195,7 +195,7 @@ class RArraySizeField final : public ROOT::RFieldBase {
 };
 
 /// Every RDF column is represented by exactly one RNTuple field
-class RNTupleColumnReader : public ROOT::Detail::RDF::RColumnReaderBase {
+class R__CLING_PTRCHECK(off) RNTupleColumnReader : public ROOT::Detail::RDF::RColumnReaderBase {
    using RFieldBase = ROOT::RFieldBase;
    using RPageSource = ROOT::Internal::RPageSource;