diff --git a/include/vcl/treelist.hxx b/include/vcl/treelist.hxx
index 433cd5db91f7..a6cdbe0aa60e 100644
--- a/include/vcl/treelist.hxx
+++ b/include/vcl/treelist.hxx
@@ -281,7 +281,7 @@ public:
 
     bool                IsExpanded( SvTreeListEntry* pEntry ) const;
     bool                IsAllExpanded( SvTreeListEntry* pEntry) const;
-    bool                IsSelected( SvTreeListEntry* pEntry ) const;
+    bool                IsSelected(const SvTreeListEntry* pEntry) const;
     void                SetEntryFocus( SvTreeListEntry* pEntry, bool bFocus );
     const SvViewDataEntry*         GetViewData( const SvTreeListEntry* pEntry ) const;
     SvViewDataEntry*         GetViewData( SvTreeListEntry* pEntry );
diff --git a/vcl/source/treelist/treelist.cxx b/vcl/source/treelist/treelist.cxx
index 1f16f1d1a150..2f99060ac1ea 100644
--- a/vcl/source/treelist/treelist.cxx
+++ b/vcl/source/treelist/treelist.cxx
@@ -1355,10 +1355,10 @@ bool SvListView::IsAllExpanded( SvTreeListEntry* pEntry ) const
     return true;
 }
 
-bool SvListView::IsSelected( SvTreeListEntry* pEntry ) const
+bool SvListView::IsSelected(const SvTreeListEntry* pEntry) const
 {
     DBG_ASSERT(pEntry,"IsExpanded:No Entry");
-    SvDataTable::const_iterator itr = m_pImpl->m_DataTable.find(pEntry);
+    SvDataTable::const_iterator itr = m_pImpl->m_DataTable.find(const_cast<SvTreeListEntry*>(pEntry));
     if (itr == m_pImpl->m_DataTable.end())
         return false;
     return itr->second->IsSelected();