diff --git a/cg/pagament.cpp b/cg/pagament.cpp
index 1ba695ceb..f14993489 100755
--- a/cg/pagament.cpp
+++ b/cg/pagament.cpp
@@ -612,7 +612,9 @@ void TPagamento::set_datarata(int i, const TDate & d)
 real TPagamento::recalc_percrata(int i)
 {
   real hm(_tpr < 4 ? _firstr : _secndr);
-
+  
+  if (i == 0 && _tpr > 3) return ZERO;
+  
   real tpay(tpay_rata(i));
   if (i == 0 && _tpr > 0 && _tpr < 4)
     tpay -= _secndr;