diff --git a/mod/events.php b/mod/events.php
index 7637486f8..4f45c61bf 100644
--- a/mod/events.php
+++ b/mod/events.php
@@ -469,15 +469,15 @@ function events_content(App $a) {
 		$smonth = DateTimeFormat::convert($sdt, $tz, 'UTC', 'm');
 		$sday   = DateTimeFormat::convert($sdt, $tz, 'UTC', 'd');
 
-		$shour   = ((x($orig_event)) ? DateTimeFormat::convert($sdt, $tz, 'UTC', 'H') : 0);
-		$sminute = ((x($orig_event)) ? DateTimeFormat::convert($sdt, $tz, 'UTC', 'i') : 0);
+		$shour   = ((x($orig_event)) ? DateTimeFormat::convert($sdt, $tz, 'UTC', 'H') : '00');
+		$sminute = ((x($orig_event)) ? DateTimeFormat::convert($sdt, $tz, 'UTC', 'i') : '00');
 
 		$fyear  = DateTimeFormat::convert($fdt, $tz, 'UTC', 'Y');
 		$fmonth = DateTimeFormat::convert($fdt, $tz, 'UTC', 'm');
 		$fday   = DateTimeFormat::convert($fdt, $tz, 'UTC', 'd');
 
-		$fhour   = ((x($orig_event)) ? DateTimeFormat::convert($fdt, $tz, 'UTC', 'H') : 0);
-		$fminute = ((x($orig_event)) ? DateTimeFormat::convert($fdt, $tz, 'UTC', 'i') : 0);
+		$fhour   = ((x($orig_event)) ? DateTimeFormat::convert($fdt, $tz, 'UTC', 'H') : '00');
+		$fminute = ((x($orig_event)) ? DateTimeFormat::convert($fdt, $tz, 'UTC', 'i') : '00');
 
 		require_once 'include/acl_selectors.php' ;