diff --git a/xmlscript/source/xml_helper/xml_byteseq.cxx b/xmlscript/source/xml_helper/xml_byteseq.cxx
index a4cca34e2649..7a976463d048 100644
--- a/xmlscript/source/xml_helper/xml_byteseq.cxx
+++ b/xmlscript/source/xml_helper/xml_byteseq.cxx
@@ -120,9 +120,9 @@ void BSeqOutputStream::writeBytes( Sequence< sal_Int8 > const & rData )
     sal_Int32 nPos = _seq->size();
     _seq->resize( nPos + rData.getLength() );
     if (rData.getLength() != 0) {
-        memcpy( _seq->data() + nPos,
-                rData.getConstArray(),
-                rData.getLength() );
+        std::copy(rData.getConstArray(),
+                  rData.getConstArray() + rData.getLength(),
+                  _seq->begin() + nPos);
     }
 }
 void BSeqOutputStream::flush()