diff --git a/htdocs/comm/propal/class/propal.class.php b/htdocs/comm/propal/class/propal.class.php
index 3b7125f34de..5cf6d51ef07 100644
--- a/htdocs/comm/propal/class/propal.class.php
+++ b/htdocs/comm/propal/class/propal.class.php
@@ -2274,6 +2274,8 @@ class PropaleLigne
 		if (empty($this->tva_tx)) $this->tva_tx=0;
 		if (empty($this->localtax1_tx)) $this->localtax1_tx=0;
 		if (empty($this->localtax2_tx)) $this->localtax2_tx=0;
+		if (empty($this->total_localtax1)) $this->total_localtax1=0;
+		if (empty($this->total_localtax2)) $this->total_localtax2=0;
 		if (empty($this->rang)) $this->rang=0;
 		if (empty($this->remise)) $this->remise=0;
 		if (empty($this->remise_percent)) $this->remise_percent=0;