diff --git a/dbaccess/source/core/api/resultcolumn.cxx b/dbaccess/source/core/api/resultcolumn.cxx
index 96ce95ad646c..9691217983c8 100644
--- a/dbaccess/source/core/api/resultcolumn.cxx
+++ b/dbaccess/source/core/api/resultcolumn.cxx
@@ -167,7 +167,7 @@ void OResultColumn::disposing()
 namespace
 {
     template< typename T >
-    void obtain( Any& _out_rValue, ::boost::optional< T > _rCache, const sal_Int32 _nPos, const Reference < XResultSetMetaData >& _rxResultMeta, T (SAL_CALL XResultSetMetaData::*Getter)( sal_Int32 ) )
+    void obtain( Any& _out_rValue, ::boost::optional< T > & _rCache, const sal_Int32 _nPos, const Reference < XResultSetMetaData >& _rxResultMeta, T (SAL_CALL XResultSetMetaData::*Getter)( sal_Int32 ) )
     {
         if ( !_rCache )
             _rCache.reset( (_rxResultMeta.get()->*Getter)( _nPos ) );