diff --git a/FAQ-fr.txt b/FAQ-fr.txt
index 25b5c8efe..75f9d7bd9 100644
--- a/FAQ-fr.txt
+++ b/FAQ-fr.txt
@@ -248,8 +248,10 @@
 
   13.1.  Quel patch utiliser ?
 
-  Dans certains cas, le dernier patch reprend les autres, il faudra lire
-  la release note du patch pour savoir ce qu'il faut appliquer avant.
+  Dans certains cas, le dernier patch ne reprend PAS les autres, il
+  faudra lire la release note du patch pour savoir ce qu'il faut
+  appliquer avant. En règle générale, il faut appliquer les patch dans
+  l'ordre : le premier, puis le second...
 
   Sinon, les patchs sont toujours nommés ainsi
   path-(numéro_version)-(numéro_de_path).tgz
diff --git a/include/user_form_ach.php b/include/user_form_ach.php
index f0ea02745..a20adccf5 100644
--- a/include/user_form_ach.php
+++ b/include/user_form_ach.php
@@ -356,7 +356,7 @@ for ($o = 0;$o < $p_number; $o++) {
       echo "<SCRIPT>alert('$msg');</SCRIPT>";
       return null;
     }
-    // Periode ferm� 
+    // Periode fermé
     if ( PeriodeClosed ($p_cn,$p_periode)=='t' )
       {
 		$msg="This periode is closed please change your preference";
@@ -558,6 +558,7 @@ function RecordSell($p_cn,$p_array,$p_user,$p_jrn)
   // Get the default period
   $periode=$p_user->GetPeriode();
   $amount=0.0;
+  $amount_jrn=0.0;
   // Computing total customer
   for ($i=0;$i<$nb_item;$i++) {
     // store quantity & goods in array
@@ -575,7 +576,10 @@ function RecordSell($p_cn,$p_array,$p_user,$p_jrn)
       // The price is valid
       $a_price[$i]=${"e_march$i"."_sell"};
     }
-    $amount+=$a_price[$i]*$a_quant[$i];
+    $cost=$a_price[$i]*$a_quant[$i];
+    $amount+=$cost;
+    // if cost  < 0 => not added to jrn.jr_amount
+    $amount_jrn+=($cost<0)?0:$cost;
   }
   $comm=FormatString($e_comm);
   $a_vat=ComputeVat($p_cn,$a_good,$a_quant,$a_price,$a_vat);
@@ -629,7 +633,7 @@ function RecordSell($p_cn,$p_array,$p_user,$p_jrn)
       }
     }
   echo_debug(__FILE__,__LINE__,"echeance = $e_ech");
-  $r=InsertJrn($p_cn,$e_date,$e_ech,$p_jrn,"Invoice",round($amount,2)+round($sum_vat,2),$seq,$periode);
+  $r=InsertJrn($p_cn,$e_date,$e_ech,$p_jrn,"Invoice",round($amount_jrn,2)+round($sum_vat,2),$seq,$periode);
   if ( $r == false ) { Rollback($p_cn); exit(" Error __FILE__ __LINE__");}
   // Set Internal code and Comment
   $internal=SetInternalCode($p_cn,$seq,$p_jrn);
diff --git a/include/user_form_ven.php b/include/user_form_ven.php
index d787a1c2b..e2562f7a7 100644
--- a/include/user_form_ven.php
+++ b/include/user_form_ven.php
@@ -571,6 +571,7 @@ function RecordInvoice($p_cn,$p_array,$p_user,$p_jrn)
   // Get the default period
   $periode=$p_user->GetPeriode();
   $amount=0.0;
+  $amount_jrn=0.0;
   // Computing total customer
   //--
   for ($i=0;$i<$nb_item;$i++) {
@@ -589,7 +590,10 @@ function RecordInvoice($p_cn,$p_array,$p_user,$p_jrn)
       // The price is valid
       $a_price[$i]=${"e_march$i"."_sell"};
     }
-    $amount+=$a_price[$i]*$a_quant[$i];
+    $cost=$a_price[$i]*$a_quant[$i];
+    $amount+=$cost;
+    // if cost < 0 not added to jr_montant
+    $amount_jrn+=($cost<0)?0:$cost;
   }// for
 
   $comm=FormatString($e_comm);
@@ -645,7 +649,7 @@ function RecordInvoice($p_cn,$p_array,$p_user,$p_jrn)
       }
     }
   echo_debug(__FILE__,__LINE__,"echeance = $e_ech");
-  $r=InsertJrn($p_cn,$e_date,$e_ech,$p_jrn,"Invoice",round($amount,2)+round($sum_vat,2),$seq,$periode);
+  $r=InsertJrn($p_cn,$e_date,$e_ech,$p_jrn,"Invoice",round($amount_jrn,2)+round($sum_vat,2),$seq,$periode);
   if ( $r == false ) { Rollback($p_cn); exit(" Error __FILE__ __LINE__");}
   // Set Internal code and Comment
   $internal=SetInternalCode($p_cn,$seq,$p_jrn);