diff --git a/src/tf/tf0100.cpp b/src/tf/tf0100.cpp
index 6678b4f2f..9dd392110 100644
--- a/src/tf/tf0100.cpp
+++ b/src/tf/tf0100.cpp
@@ -1359,7 +1359,7 @@ bool TTrFa_app::tff0700(TSheet_field& sheet)
 			// Controllo il tipo di esigilità
 			tff0700f.set("P7_DATA",						toDate(strarr->get(_datadoc)));
 			static TString ndoc;
-			ndoc.cut(0) << cache().get(LF_MOV, strarr->get(_numero), "NUMDOCEXT");
+			ndoc.cut(0) << cache().get(LF_MOV, strarr->get(_numero), "NUMDOCEXT").right(20);
 			if(ndoc.blank())
 				ndoc.cut(0) << strarr->get(_numdoc);
 			tff0700f.set("P7_NUMERO",					ndoc);