diff --git a/src/ve/ve1300.cpp b/src/ve/ve1300.cpp
index 1106151af..9aa2d029b 100755
--- a/src/ve/ve1300.cpp
+++ b/src/ve/ve1300.cpp
@@ -1402,7 +1402,7 @@ bool TReport_doc_app::print_loop(TRecordset& doc, TOutput_mode mode, bool final_
 			  }
 
 				// Controllo se devo archiviare in base ai parametri passati
-				arc = _arc_type == _force || _arc_type == _auto && arc;
+				arc = (_arc_type == _force || _arc_type == _auto) && arc;
 
 			  set_next_pdf(&doc);