diff --git a/django/contrib/admin/static/admin/js/admin/DateTimeShortcuts.js b/django/contrib/admin/static/admin/js/admin/DateTimeShortcuts.js
index 8b7de5eed7..08b2785c06 100644
--- a/django/contrib/admin/static/admin/js/admin/DateTimeShortcuts.js
+++ b/django/contrib/admin/static/admin/js/admin/DateTimeShortcuts.js
@@ -398,11 +398,11 @@
         handleCalendarCallback: function(num) {
             var format = get_format('DATE_INPUT_FORMATS')[0];
             // the format needs to be escaped a little
-            format = format.replace('\\', '\\\\');
-            format = format.replace('\r', '\\r');
-            format = format.replace('\n', '\\n');
-            format = format.replace('\t', '\\t');
-            format = format.replace("'", "\\'");
+            format = format.replace('\\', '\\\\')
+                           .replace('\r', '\\r')
+                           .replace('\n', '\\n')
+                           .replace('\t', '\\t')
+                           .replace("'", "\\'");
             return function(y, m, d) {
                 DateTimeShortcuts.calendarInputs[num].value = new Date(y, m - 1, d).strftime(format);
                 DateTimeShortcuts.calendarInputs[num].focus();