diff --git a/calendar/lightning/content/messenger-overlay-sidebar.js b/calendar/lightning/content/messenger-overlay-sidebar.js
index e81a519b150..73f4d6f135e 100644
--- a/calendar/lightning/content/messenger-overlay-sidebar.js
+++ b/calendar/lightning/content/messenger-overlay-sidebar.js
@@ -158,7 +158,7 @@ function goToToday()
     // set the current date in the minimonth control;
     // note, that the current view in the calendar-view-box is automatically updated
     var currentDay = today();
-    document.getElementById( "ltnMinimonth" ).value = currentDay.jsDate;
+    document.getElementById("ltnMinimonth").value = currentDay.jsDate;
 }
 
 function selectedCalendarPane(event)