diff --git a/sot/source/base/formats.cxx b/sot/source/base/formats.cxx
index 12ca819b1db8..55211eb33672 100644
--- a/sot/source/base/formats.cxx
+++ b/sot/source/base/formats.cxx
@@ -1391,7 +1391,7 @@ static bool CheckTransferableContext_Impl( const Reference< XTransferable >* pxT
 
                             if( aSeq.getLength() )
                             {
-                                FILEGROUPDESCRIPTOR* pFDesc = (FILEGROUPDESCRIPTOR*) aSeq.getConstArray();
+                                FILEGROUPDESCRIPTOR const * pFDesc = reinterpret_cast<FILEGROUPDESCRIPTOR const *>(aSeq.getConstArray());
 
                                 if( pFDesc->cItems )
                                 {