diff --git a/src/generic/datavgen.cpp b/src/generic/datavgen.cpp
index 0ef2c38ae6..0407909461 100644
--- a/src/generic/datavgen.cpp
+++ b/src/generic/datavgen.cpp
@@ -1141,9 +1141,18 @@ wxDataViewBitmapRenderer::wxDataViewBitmapRenderer( const wxString &varianttype,
 bool wxDataViewBitmapRenderer::SetValue( const wxVariant &value )
 {
     if (value.GetType() == wxT("wxBitmap"))
+    {
         m_bitmap << value;
-    if (value.GetType() == wxT("wxIcon"))
+    }
+    else if (value.GetType() == wxT("wxIcon"))
+    {
         m_icon << value;
+    }
+    else
+    {
+        m_icon = wxNullIcon;
+        m_bitmap = wxNullBitmap;
+    }
 
     return true;
 }
diff --git a/src/gtk/dataview.cpp b/src/gtk/dataview.cpp
index ce74d262e0..2646fb7d7d 100644
--- a/src/gtk/dataview.cpp
+++ b/src/gtk/dataview.cpp
@@ -2432,7 +2432,7 @@ bool wxDataViewBitmapRenderer::SetValue( const wxVariant &value )
     }
     else
     {
-        return false;
+        SetPixbufProp(m_renderer, NULL);
     }
 
     return true;