diff --git a/apps/calendar/ajax/moveevent.php b/apps/calendar/ajax/moveevent.php
index 6e87b64a1c7b51a330b1c7c05080df856c9179e8..f380fe9bf2972b116e8930e05c0f1f3715ebb59b 100644
--- a/apps/calendar/ajax/moveevent.php
+++ b/apps/calendar/ajax/moveevent.php
@@ -71,6 +71,7 @@ if(strlen($newdate) > 10){
 		$newdatestringarray[1] = "00:00";
 	}else{
 		$allday = false;
+		$difference = 3600;
 	}
 }else{
 	$newdatestringarray = array();