diff --git a/htdocs/accountancy/class/bookkeeping.class.php b/htdocs/accountancy/class/bookkeeping.class.php
index 1871f517f02..03d752260e2 100644
--- a/htdocs/accountancy/class/bookkeeping.class.php
+++ b/htdocs/accountancy/class/bookkeeping.class.php
@@ -315,6 +315,7 @@ class BookKeeping extends CommonObject
 					$objnum = $this->db->fetch_object($resqlnum);
 					$this->piece_num = $objnum->piece_num;
 				}
+
 				dol_syslog(get_class($this).":: create this->piece_num=".$this->piece_num, LOG_DEBUG);
 				if (empty($this->piece_num)) {
 					$sqlnum = "SELECT MAX(piece_num)+1 as maxpiecenum";
@@ -327,8 +328,8 @@ class BookKeeping extends CommonObject
 						$objnum = $this->db->fetch_object($resqlnum);
 						$this->piece_num = $objnum->maxpiecenum;
 					}
+					dol_syslog(get_class($this).":: create this->piece_num=".$this->piece_num, LOG_DEBUG);
 				}
-				dol_syslog(get_class($this).":: create this->piece_num=".$this->piece_num, LOG_DEBUG);
 				if (empty($this->piece_num)) {
 					$this->piece_num = 1;
 				}