diff --git a/asset/js/workflow_graphical_view_portal.js b/asset/js/workflow_graphical_view_portal.js
index d1e9b40..5b2cb35 100644
--- a/asset/js/workflow_graphical_view_portal.js
+++ b/asset/js/workflow_graphical_view_portal.js
@@ -95,14 +95,15 @@ $(function()
 			},
 			_prepareModal: function()
 			{
-				// Note: Unfortunately we have to manually rebuild the modal markup as for now the CombodoPortalToolbox does not allow to specify all parts of the modal.
+				// Note: Unfortunately we have to manually rebuild the modal markup as for now the CombodoModal does not allow to specify all parts of the modal.
 				// This has been tracked under N°2906.
 				var sModalContent = '<div class="modal-header"><button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button><h4 class="modal-title">'+this.options.dict.modal_title+'</h4></div>'+
 				'<div class="modal-body lcsn-graph-container">' + this.options.content + this.options.legend + '</div>' +
 				'<div class="modal-footer"><button type="button" class="btn btn-default" data-dismiss="modal">'+this.options.dict.modal_close_label+'</button></div>';
 
-				CombodoPortalToolbox.OpenModal({
-					content: sModalContent
+				CombodoModal.OpenModal({
+					content: sModalContent,
+					size: 'lg',
 				});
 			},
 			_openModal: function()