diff --git a/gui/browsable/src/RNTupleDraw6Provider.cxx b/gui/browsable/src/RNTupleDraw6Provider.cxx
index 5ff52ffca87c4..f9e5e72c8ec1d 100644
--- a/gui/browsable/src/RNTupleDraw6Provider.cxx
+++ b/gui/browsable/src/RNTupleDraw6Provider.cxx
@@ -39,7 +39,7 @@ class RNTupleDraw6Provider : public RProvider {
                           if (!treeMap)
                              return false;
 
-                          treeMap->Paint(opt.c_str());
+                          pad->Add(treeMap.release(), opt.c_str());
                           return true;
                        }
 
diff --git a/gui/webgui6/src/TWebCanvas.cxx b/gui/webgui6/src/TWebCanvas.cxx
index fcdfa7cdd9021..e64abb55da212 100644
--- a/gui/webgui6/src/TWebCanvas.cxx
+++ b/gui/webgui6/src/TWebCanvas.cxx
@@ -312,7 +312,8 @@ Bool_t TWebCanvas::IsJSSupportedClass(TObject *obj, Bool_t many_primitives)
       const char *name{nullptr};
       bool with_derived{false};
       bool reduse_by_many{false};
-   } supported_classes[] = {{"TH1", true},
+   } supported_classes[] = {{"ROOT::Experimental::RTreeMapPainter"},
+                            {"TH1", true},
                             {"TF1", true},
                             {"TGraph", true},
                             {"TScatter"},
@@ -3000,3 +3001,4 @@ TCanvas *TWebCanvas::CreateWebCanvas(const char *name, const char *title, UInt_t
 
    return canvas;
 }
+