diff --git a/src/test/resources/samples/invalid/friday13-NOT.ics b/src/test/resources/samples/invalid/friday13-NOT.ics
index 48f321aad..3f1851284 100644
--- a/src/test/resources/samples/invalid/friday13-NOT.ics
+++ b/src/test/resources/samples/invalid/friday13-NOT.ics
@@ -2,7 +2,7 @@ BEGIN:VCALENDAR
 VERSION:2.0
 PRODID:-//hacksw/handcal//NONSGML v1.0//EN
 BEGIN:VEVENT
-DTSTART;TZID=US-Eastern:19970902T090000
+DTSTART;TZID=US/Eastern:19970902T090000
 DURATION:PT24H
 RRULE:FREQ=MONTHLY;BYDAY=FR
 EXRULE:FREQ=MONTHLY;BYDAY=FR;BYMONTHDAY=13
diff --git a/src/test/resources/samples/valid/incoming.ics b/src/test/resources/samples/valid/incoming.ics
index c598dfa6b..2681cec1e 100644
--- a/src/test/resources/samples/valid/incoming.ics
+++ b/src/test/resources/samples/valid/incoming.ics
@@ -13,7 +13,7 @@ ATTENDEE;RSVP=FALSE;CUTYPE=ROOM:conf_Big@example.com
 ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=FALSE:Mailto:E@example.com
 DTSTAMP:19970611T190000Z
 DTSTART:19970701T200000Z
-DTEND:19970701T2000000Z
+DTEND:19970701T200000Z
 SUMMARY:Conference
 UID:calsrv.example.com-873970198738777@example.com
 SEQUENCE:2
@@ -36,7 +36,7 @@ ATTENDEE;RSVP=FALSE;CUTYPE=ROOM:conf_Big@example.com
 ATTENDEE;ROLE=NON-PARTICIPANT;RSVP=FALSE:Mailto:E@example.com
 DTSTAMP:19970611T193000Z
 DTSTART:19970701T190000Z
-DTEND:19970701T1930000Z
+DTEND:19970701T193000Z
 SUMMARY: Pool party
 UID:calsrv.example.com-873970198738777@example.com
 SEQUENCE:2