diff --git a/src/generic/datavgen.cpp b/src/generic/datavgen.cpp
index 6f44e1d13e..745e38b470 100644
--- a/src/generic/datavgen.cpp
+++ b/src/generic/datavgen.cpp
@@ -4357,6 +4357,7 @@ bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column )
 
 bool wxDataViewCtrl::ClearColumns()
 {
+    SetExpanderColumn(NULL);
     m_cols.Clear();
     m_colsBestWidths.clear();
     OnColumnsCountChanged();