--- a/src/pyams_skin/resources/js/myams-init.js	Fri Nov 16 15:18:15 2018 +0100
+++ b/src/pyams_skin/resources/js/myams-init.js	Mon Nov 19 15:18:08 2018 +0100
@@ -545,7 +545,10 @@
 			var modal = $(e.target);
 			ams.form.confirmChangedForm(modal, function() {
 				// Confirm closing if OK
-				modal.data('modal').isShown = true;
+				var bsModal = modal.data('modal') || modal.data('bs.modal');
+				if (bsModal) {
+					bsModal.isShown = true;
+				}
 				return true;
 			}, function() {
 				// Prevent closing if cancelled