diff --git a/htdocs/core/class/commonobject.class.php b/htdocs/core/class/commonobject.class.php
index 57d9db22861..f7202040fe5 100644
--- a/htdocs/core/class/commonobject.class.php
+++ b/htdocs/core/class/commonobject.class.php
@@ -2962,8 +2962,8 @@ abstract class CommonObject
 
 		$sql = 'SELECT rowid, qty, '.$fieldup.' as up, remise_percent, total_ht, '.$fieldtva.' as total_tva, total_ttc, '.$fieldlocaltax1.' as total_localtax1, '.$fieldlocaltax2.' as total_localtax2,';
 		$sql .= ' tva_tx as vatrate, localtax1_tx, localtax2_tx, localtax1_type, localtax2_type, info_bits, product_type';
-			if ($this->table_element_line == 'facturedet') $sql .= ', situation_percent';
-			$sql .= ', multicurrency_total_ht, multicurrency_total_tva, multicurrency_total_ttc';
+		if ($this->table_element_line == 'facturedet') $sql .= ', situation_percent';
+		$sql .= ', multicurrency_total_ht, multicurrency_total_tva, multicurrency_total_ttc';
 		$sql .= ' FROM '.MAIN_DB_PREFIX.$this->table_element_line;
 		$sql .= ' WHERE '.$this->fk_element.' = '.$this->id;
 		if ($exclspec)
@@ -3002,18 +3002,23 @@ abstract class CommonObject
 
 				if (empty($reshook) && $forcedroundingmode == '0')	// Check if data on line are consistent. This may solve lines that were not consistent because set with $forcedroundingmode='auto'
 				{
-					$localtax_array = array($obj->localtax1_type, $obj->localtax1_tx, $obj->localtax2_type, $obj->localtax2_tx);
+					// This part of code is to fix data. We should not call it too often.
+					$localtax_array = array($obj->localtax1_type,$obj->localtax1_tx,$obj->localtax2_type,$obj->localtax2_tx);
 					$tmpcal = calcul_price_total($obj->qty, $obj->up, $obj->remise_percent, $obj->vatrate, $obj->localtax1_tx, $obj->localtax2_tx, 0, 'HT', $obj->info_bits, $obj->product_type, $seller, $localtax_array, (isset($obj->situation_percent) ? $obj->situation_percent : 100), $multicurrency_tx);
-					$diff = price2num($tmpcal[1] - $obj->total_tva, 'MT', 1);
-					if ($diff)
+
+					$diff_when_using_price_ht = price2num($tmpcal[1] - $obj->total_tva, 'MT', 1);	// If price was set with tax price adn unit price HT has a low number of digits, then we may have a diff on recalculation from unit price HT.
+					$diff_on_current_total = price2num($obj->total_ttc - $obj->total_ht - $obj->total_tva - $obj->total_localtax1 - $obj->total_localtax2, 'MT', 1);
+					//var_dump($obj->total_ht.' '.$obj->total_tva.' '.$obj->total_localtax1.' '.$obj->total_localtax2.' =? '.$obj->total_ttc);
+					//var_dump($diff_when_using_price_ht.' '.$diff_on_current_total);
+
+					if ($diff_when_using_price_ht && $diff_on_current_total)
 					{
 						$sqlfix = "UPDATE ".MAIN_DB_PREFIX.$this->table_element_line." SET ".$fieldtva." = ".$tmpcal[1].", total_ttc = ".$tmpcal[2]." WHERE rowid = ".$obj->rowid;
-						dol_syslog('We found unconsistent data into detailed line (difference of '.$diff.') for line rowid = '.$obj->rowid." (total vat of line calculated=".$tmpcal[1].", database=".$obj->total_tva."). We fix the total_vat and total_ttc of line by running sqlfix = ".$sqlfix);
-								$resqlfix = $this->db->query($sqlfix);
-								if (!$resqlfix) dol_print_error($this->db, 'Failed to update line');
-								$obj->total_tva = $tmpcal[1];
-								$obj->total_ttc = $tmpcal[2];
-						//
+						dol_syslog('We found unconsistent data into detailed line (diff_when_using_price_ht = '.$diff_when_using_price_ht.' and diff_on_current_total = '.$diff_on_current_total.') for line rowid = '.$obj->rowid." (total vat of line calculated=".$tmpcal[1].", database=".$obj->total_tva."). We fix the total_vat and total_ttc of line by running sqlfix = ".$sqlfix, LOG_WARNING);
+						$resqlfix = $this->db->query($sqlfix);
+						if (! $resqlfix) dol_print_error($this->db, 'Failed to update line');
+						$obj->total_tva = $tmpcal[1];
+						$obj->total_ttc = $tmpcal[2];
 					}
 				}
 
diff --git a/htdocs/fourn/class/fournisseur.facture.class.php b/htdocs/fourn/class/fournisseur.facture.class.php
index 117a99ee2cc..9cbcec32a9a 100644
--- a/htdocs/fourn/class/fournisseur.facture.class.php
+++ b/htdocs/fourn/class/fournisseur.facture.class.php
@@ -2038,7 +2038,7 @@ class FactureFournisseur extends CommonInvoice
 		    $this->errors[] = $line->error;
 	    } else {
 		    // Update total price into invoice record
-		    $res = $this->update_price('', 'auto');
+		    $res = $this->update_price('', 'auto', 0, $this->thirdparty);
 	    }
 
 	    return $res;