diff --git a/htdocs/comm/propal.php b/htdocs/comm/propal.php
index d5c34fb6027..96c5061e47a 100644
--- a/htdocs/comm/propal.php
+++ b/htdocs/comm/propal.php
@@ -1608,7 +1608,7 @@ if ($id > 0 || ! empty($ref))
 		print '<tr '.$bc[$var].">\n";
 		print '<td '.$colspan.'>';
 
-		print $html->select_type_of_lines(-1,'type',1);
+		print $html->select_type_of_lines(isset($_POST["type"])?$_POST["type"]:-1,'type',1);
 		if ($conf->produit->enabled && $conf->service->enabled) print '<br>';
 
 		// Editor wysiwyg
@@ -1630,7 +1630,7 @@ if ($id > 0 || ! empty($ref))
 		$html->select_tva('np_tva_tx', $conf->defaulttx, $mysoc, $societe);
 		print "</td>\n";
 		print '<td align="right"><input type="text" size="5" name="np_price"></td>';
-		print '<td align="right"><input type="text" size="2" value="1" name="qty"></td>';
+		print '<td align="right"><input type="text" size="2" name="qty" value="'.(isset($_POST["qty"])?$_POST["qty"]:1).'"></td>';
 		print '<td align="right" nowrap><input type="text" size="1" value="'.$societe->remise_client.'" name="remise_percent">%</td>';
 		print '<td align="center" valign="middle" colspan="4"><input type="submit" class="button" value="'.$langs->trans('Add').'" name="addligne"></td>';
 		print '</tr>';
diff --git a/htdocs/commande/fiche.php b/htdocs/commande/fiche.php
index 8414fb5cb55..1dcb5256ffa 100644
--- a/htdocs/commande/fiche.php
+++ b/htdocs/commande/fiche.php
@@ -1791,7 +1791,7 @@ else
 				print '<tr '.$bc[$var].'>';
 				print '<td>';
 
-				print $html->select_type_of_lines(-1,'type',1);
+				print $html->select_type_of_lines(isset($_POST["type"])?$_POST["type"]:-1,'type',1);
 				if ($conf->produit->enabled && $conf->service->enabled) print '<br>';
 
 				// Editor wysiwyg
diff --git a/htdocs/compta/facture.php b/htdocs/compta/facture.php
index 60fe41809f2..c0113d1eab7 100644
--- a/htdocs/compta/facture.php
+++ b/htdocs/compta/facture.php
@@ -3014,7 +3014,7 @@ else
 				print '<tr '.$bc[$var].'>';
 				print '<td>';
 
-				print $html->select_type_of_lines(-1,'type',1);
+				print $html->select_type_of_lines(isset($_POST["type"])?$_POST["type"]:-1,'type',1);
 				if (($conf->produit->enabled && $conf->service->enabled)
 				|| (empty($conf->produit->enabled) && empty($conf->service->enabled))) print '<br>';
 
diff --git a/htdocs/fourn/commande/fiche.php b/htdocs/fourn/commande/fiche.php
index 6aae0cfd7a1..6b21b7d123d 100644
--- a/htdocs/fourn/commande/fiche.php
+++ b/htdocs/fourn/commande/fiche.php
@@ -855,7 +855,7 @@ if ($id > 0 || ! empty($ref))
 			print '<tr '.$bc[$var].'>';
 			print '<td>';
 
-			print $html->select_type_of_lines(-1,'type',1);
+			print $html->select_type_of_lines(isset($_POST["type"])?$_POST["type"]:-1,'type',1);
 			if ($conf->produit->enabled && $conf->service->enabled) print '<br>';
 
 			// Editor wysiwyg
diff --git a/htdocs/fourn/facture/fiche.php b/htdocs/fourn/facture/fiche.php
index 1515f331349..eab8a7d1b50 100644
--- a/htdocs/fourn/facture/fiche.php
+++ b/htdocs/fourn/facture/fiche.php
@@ -966,7 +966,7 @@ else
 				print '<tr '.$bc[$var].'>';
 				print '<td>';
 
-				print $html->select_type_of_lines(-1,'type',1);
+				print $html->select_type_of_lines(isset($_POST["type"])?$_POST["type"]:-1,'type',1);
 				if (($conf->produit->enabled && $conf->service->enabled)
 				|| (empty($conf->produit->enabled) && empty($conf->service->enabled))) print '<br>';