diff --git a/htdocs/comm/propal/card.php b/htdocs/comm/propal/card.php
index ce1fde2979e..6ec18e6d808 100644
--- a/htdocs/comm/propal/card.php
+++ b/htdocs/comm/propal/card.php
@@ -976,8 +976,8 @@ if (empty($reshook)) {
 			$idprod = 0;
 		} else {
 			$idprod = GETPOST('idprod', 'int');
-			
-			if(!empty($conf->global->MAIN_DISABLE_FREE_LINES) && $idprod <= 0) {
+
+			if (!empty($conf->global->MAIN_DISABLE_FREE_LINES) && $idprod <= 0) {
 				setEventMessages($langs->trans("ErrorFieldRequired", $langs->transnoentitiesnoconv("ProductOrService")), null, 'errors');
 				$error++;
 			}
diff --git a/htdocs/commande/card.php b/htdocs/commande/card.php
index 2c34503ff4c..0c9795ae9ec 100644
--- a/htdocs/commande/card.php
+++ b/htdocs/commande/card.php
@@ -687,7 +687,7 @@ if (empty($reshook)) {
 		} else {
 			$idprod = GETPOST('idprod', 'int');
 
-			if(!empty($conf->global->MAIN_DISABLE_FREE_LINES) && $idprod <= 0) {
+			if (!empty($conf->global->MAIN_DISABLE_FREE_LINES) && $idprod <= 0) {
 				setEventMessages($langs->trans("ErrorFieldRequired", $langs->transnoentitiesnoconv("ProductOrService")), null, 'errors');
 				$error++;
 			}
diff --git a/htdocs/compta/facture/card-rec.php b/htdocs/compta/facture/card-rec.php
index 8abdbeac120..4efbabbaf49 100644
--- a/htdocs/compta/facture/card-rec.php
+++ b/htdocs/compta/facture/card-rec.php
@@ -434,7 +434,7 @@ if (empty($reshook)) {
 			$idprod = GETPOST('idprod', 'int');
 			$tva_tx = '';
 
-			if(!empty($conf->global->MAIN_DISABLE_FREE_LINES) && $idprod <= 0) {
+			if (!empty($conf->global->MAIN_DISABLE_FREE_LINES) && $idprod <= 0) {
 				setEventMessages($langs->trans("ErrorFieldRequired", $langs->transnoentitiesnoconv("ProductOrService")), null, 'errors');
 				$error++;
 			}
diff --git a/htdocs/compta/facture/card.php b/htdocs/compta/facture/card.php
index 6775be3e822..e904a11283c 100644
--- a/htdocs/compta/facture/card.php
+++ b/htdocs/compta/facture/card.php
@@ -2043,7 +2043,7 @@ if (empty($reshook)) {
 		} else {
 			$idprod = GETPOST('idprod', 'int');
 
-			if(!empty($conf->global->MAIN_DISABLE_FREE_LINES) && $idprod <= 0) {
+			if (!empty($conf->global->MAIN_DISABLE_FREE_LINES) && $idprod <= 0) {
 				setEventMessages($langs->trans("ErrorFieldRequired", $langs->transnoentitiesnoconv("ProductOrService")), null, 'errors');
 				$error++;
 			}
diff --git a/htdocs/contrat/card.php b/htdocs/contrat/card.php
index bffe0aba0cb..b89dea64cc7 100644
--- a/htdocs/contrat/card.php
+++ b/htdocs/contrat/card.php
@@ -442,7 +442,7 @@ if (empty($reshook)) {
 		} else {
 			$idprod = GETPOST('idprod', 'int');
 
-			if(!empty($conf->global->MAIN_DISABLE_FREE_LINES) && $idprod <= 0) {
+			if (!empty($conf->global->MAIN_DISABLE_FREE_LINES) && $idprod <= 0) {
 				setEventMessages($langs->trans("ErrorFieldRequired", $langs->transnoentitiesnoconv("ProductOrService")), null, 'errors');
 				$error++;
 			}
diff --git a/htdocs/fourn/facture/card-rec.php b/htdocs/fourn/facture/card-rec.php
index 683f9c87259..7e6bd8d9b65 100644
--- a/htdocs/fourn/facture/card-rec.php
+++ b/htdocs/fourn/facture/card-rec.php
@@ -431,7 +431,7 @@ if (empty($reshook)) {
 			$idprod = GETPOST('idprodfournprice', 'int');
 			$tva_tx = '';
 
-			if(!empty($conf->global->MAIN_DISABLE_FREE_LINES) && $idprod <= 0) {
+			if (!empty($conf->global->MAIN_DISABLE_FREE_LINES) && $idprod <= 0) {
 				setEventMessages($langs->trans("ErrorFieldRequired", $langs->transnoentitiesnoconv("ProductOrService")), null, 'errors');
 				$error++;
 			}