diff --git a/data/interfaces/default/base.html b/data/interfaces/default/base.html
index 3d790374..d6e42b73 100644
--- a/data/interfaces/default/base.html
+++ b/data/interfaces/default/base.html
@@ -395,6 +395,18 @@ ${next.headerIncludes()}
                 }
             });
         }
+
+        // Allow stacked bootstrap modals
+        $(document).on('show.bs.modal', '.modal', function (event) {
+            var zIndex = 1040 + (10 * $('.modal:visible').length);
+            $(this).css('z-index', zIndex);
+            setTimeout(function() {
+                $('.modal-backdrop').not('.modal-stack').css('z-index', zIndex - 1).addClass('modal-stack');
+            }, 0);
+        });
+        $(document).on('hidden.bs.modal', '.modal', function () {
+            $('.modal:visible').length && $(document.body).addClass('modal-open');
+        });
     });
 
     % if _session['user_group'] != 'admin':