diff --git a/htdocs/bom/bom_card.php b/htdocs/bom/bom_card.php
index baf6e3e1a91..cbd730e5d23 100644
--- a/htdocs/bom/bom_card.php
+++ b/htdocs/bom/bom_card.php
@@ -589,13 +589,14 @@ if ($object->id > 0 && (empty($action) || ($action != 'edit' && $action != 'crea
 				$(".collapse_bom").click(function() {
 					console.log("We click on collapse");
 					var id_bom_line = $(this).attr('id').replace('collapse-', '');
-					if($(this).text().indexOf('+') > 0) {
+					console.log($(this).html().indexOf('folder-open'));
+					if($(this).html().indexOf('folder-open') <= 0) {
 						$('[parentid="'+ id_bom_line +'"]').show();
-						$(this).html('(-)&nbsp;');
+						$(this).html('<?php echo dol_escape_js(img_picto('', 'folder-open')); ?>');
 					}
 					else {
 						$('[parentid="'+ id_bom_line +'"]').hide();
-						$(this).html('(+)&nbsp;');
+						$(this).html('<?php echo dol_escape_js(img_picto('', 'folder')); ?>');
 					}
 
 					return false;
@@ -605,7 +606,7 @@ if ($object->id > 0 && (empty($action) || ($action != 'edit' && $action != 'crea
 				$("#show_all").click(function() {
 					console.log("We click on show all");
 					$("[class^=sub_bom_lines]").show();
-					$("[class^=collapse_bom]").html('(-)&nbsp;');
+					$("[class^=collapse_bom]").html('<?php echo dol_escape_js(img_picto('', 'folder-open')); ?>');
 					return false;
 				});
 
@@ -613,7 +614,7 @@ if ($object->id > 0 && (empty($action) || ($action != 'edit' && $action != 'crea
 				$("#hide_all").click(function() {
 					console.log("We click on hide all");
 					$("[class^=sub_bom_lines]").hide();
-					$("[class^=collapse_bom]").html('(+)&nbsp;');
+					$("[class^=collapse_bom]").html('<?php echo dol_escape_js(img_picto('', 'folder')); ?>');
 					return false;
 				});
 
diff --git a/htdocs/bom/tpl/objectline_view.tpl.php b/htdocs/bom/tpl/objectline_view.tpl.php
index 4360d521036..b72ed043581 100644
--- a/htdocs/bom/tpl/objectline_view.tpl.php
+++ b/htdocs/bom/tpl/objectline_view.tpl.php
@@ -83,10 +83,12 @@ $tmpproduct->fetch($line->fk_product);
 $tmpbom = new BOM($object->db);
 $res = $tmpbom->fetch($line->fk_bom_child);
 if ($tmpbom->id > 0) {
-	print '<a class="collapse_bom" id="collapse-'.$line->id.'" href="#">' . (empty($conf->global->BOM_SHOW_ALL_BOM_BY_DEFAULT) ? '(+)' : '(-)') . '&nbsp;</a>';
 	print $tmpproduct->getNomUrl(1);
-	print ' '.$langs->trans('or').' ';
+	print ' '.$langs->trans("or").' ';
 	print $tmpbom->getNomUrl(1);
+	print ' <a class="collapse_bom" id="collapse-'.$line->id.'" href="#">';
+	print (empty($conf->global->BOM_SHOW_ALL_BOM_BY_DEFAULT) ? img_picto('', 'folder') : img_picto('', 'folder-open'));
+	print '</a>';
 } else {
 	print $tmpproduct->getNomUrl(1);
 	print ' - '.$tmpproduct->label;