diff --git a/m770/770100.cpp b/m770/770100.cpp
index f211f8a41..e08e0a84a 100755
--- a/m770/770100.cpp
+++ b/m770/770100.cpp
@@ -395,6 +395,10 @@ void TSchedaPercipienti::agg_pagamenti(const TRectype & sch)
 							if (!abb.is_zero())
 								imppag += TImporto(sez, abb);
 							tot += imppag;
+							if (!datapag.ok())
+								datapag = sum.get_date(PART_DATADOC);
+							if (!datapag.ok())
+								datapag = sum.get_date(PART_DATAREG);
 							if (!datapag.ok())
 								datapag = sum.get_date(PART_DATAPAG);
 						}