diff --git a/inc/RRule-v2.php b/inc/RRule-v2.php
index 0d32b2b8..d06fbe59 100644
--- a/inc/RRule-v2.php
+++ b/inc/RRule-v2.php
@@ -946,6 +946,7 @@ function expand_event_instances( $vResource, $range_start = null, $range_end = n
   $expand = false;
   $dtstart = null;
   $is_date = false;
+  $has_repeats = false;
   foreach( $components AS $k => $comp ) {
     if ( $comp->GetType() != 'VEVENT' && $comp->GetType() != 'VTODO' && $comp->GetType() != 'VJOURNAL' ) {
       if ( $comp->GetType() != 'VTIMEZONE' ) $new_components[] = $comp;
@@ -956,6 +957,8 @@ function expand_event_instances( $vResource, $range_start = null, $range_end = n
       $dtstart = new RepeatRuleDateTime( $dtstart_prop );
       $is_date = $dtstart->isDate();
       $instances[$dtstart->FloatOrUTC()] = $comp;
+      $rrule = $comp->GetProperty('RRULE');
+      $has_repeats = isset($rrule);
     }
     $p = $comp->GetProperty('RECURRENCE-ID');
     if ( isset($p) && $p->Value() != '' ) {
@@ -1071,7 +1074,8 @@ function expand_event_instances( $vResource, $range_start = null, $range_end = n
     $component->ClearProperties( array('DTSTART'=> true, 'DUE' => true, 'DTEND' => true,
                                        'RRULE' => true, 'RDATE' => true, 'EXDATE' => true) );
     $component->AddProperty('DTSTART', $utc, ($is_date ? array('VALUE' => 'DATE') : null) );
-    $component->AddProperty('RECURRENCE-ID', $utc, ($is_date ? array('VALUE' => 'DATE') : null) );
+    if ( $has_repeats )
+      $component->AddProperty('RECURRENCE-ID', $utc, ($is_date ? array('VALUE' => 'DATE') : null) );
     $component->AddProperty('DURATION', $duration );
     $new_components[] = $component;
   }
diff --git a/testing/tests/binding/1009-REPORT-bound.result b/testing/tests/binding/1009-REPORT-bound.result
index 68d54a8f..e69d5212 100644
--- a/testing/tests/binding/1009-REPORT-bound.result
+++ b/testing/tests/binding/1009-REPORT-bound.result
@@ -16,6 +16,7 @@ UID:33169d69-2969-4a96-a3e1-2e312b7614e6
 SUMMARY:Near Daily Action Meeting
 X-MOZ-GENERATION:2
 DTSTART:20081019T220000Z
+RECURRENCE-ID:20081019T220000Z
 DURATION:PT30M
 END:VEVENT
 BEGIN:VEVENT
@@ -95,6 +96,7 @@ UID:047871e3-6b70-4178-9af8-0ceb50f7b092
 SUMMARY:Weekly Project Meeting
 X-MOZ-GENERATION:2
 DTSTART:20081019T200000Z
+RECURRENCE-ID:20081019T200000Z
 DURATION:PT1H
 END:VEVENT
 BEGIN:VEVENT
@@ -130,6 +132,7 @@ UID:9429a973-2b13-4b1a-be09-948d75425c45
 SUMMARY:Weekly catch-up
 X-MOZ-GENERATION:2
 DTSTART:20081024T010000Z
+RECURRENCE-ID:20081024T010000Z
 DURATION:PT1H
 END:VEVENT
 BEGIN:VEVENT
@@ -167,6 +170,7 @@ CREATED:20080303T015329Z
 DTSTAMP:20080303T015422Z
 DURATION:P1D
 DTSTART:20081006T070000Z
+RECURRENCE-ID:20081006T070000Z
 DURATION:P1D
 END:VEVENT
 BEGIN:VEVENT
diff --git a/testing/tests/regression-suite/0959-REPORT-expanded.result b/testing/tests/regression-suite/0959-REPORT-expanded.result
index fe0e4c27..23cb40ee 100644
--- a/testing/tests/regression-suite/0959-REPORT-expanded.result
+++ b/testing/tests/regression-suite/0959-REPORT-expanded.result
@@ -2,8 +2,8 @@ HTTP/1.1 207 Multi-Status
 Date: Dow, 01 Jan 2000 00:00:00 GMT
 DAV: 1, 2, 3, access-control, calendar-access, calendar-schedule
 DAV: extended-mkcol, calendar-proxy, bind, addressbook
-ETag: "8de0d254fb5a5aaeee4c7247782a544a"
-Content-Length: 10328
+ETag: "1797b792419f24d15eab9c20154a9a11"
+Content-Length: 10360
 Content-Type: text/xml; charset="utf-8"
 
 <?xml version="1.0" encoding="utf-8" ?>
@@ -390,6 +390,7 @@ DTSTAMP:20081123T210725Z
 DURATION:PT1H
 LOCATION:
 DTSTART:20081123T230000Z
+RECURRENCE-ID:20081123T230000Z
 DURATION:PT1H
 END:VEVENT
 BEGIN:VEVENT
diff --git a/testing/tests/regression-suite/0961-REPORT-public-expanded.result b/testing/tests/regression-suite/0961-REPORT-public-expanded.result
index 209dfe7b..5527d2a4 100644
--- a/testing/tests/regression-suite/0961-REPORT-public-expanded.result
+++ b/testing/tests/regression-suite/0961-REPORT-public-expanded.result
@@ -1,8 +1,8 @@
 HTTP/1.1 207 Multi-Status
 Date: Dow, 01 Jan 2000 00:00:00 GMT
 DAV: 1, 2, calendar-access
-ETag: "19e6f18060210151545c2eead42ed1eb"
-Content-Length: 5771
+ETag: "d19bcb248e8c45b4839ae6ace44bf39f"
+Content-Length: 5803
 Content-Type: text/xml; charset="utf-8"
 
 <?xml version="1.0" encoding="utf-8" ?>
@@ -23,6 +23,7 @@ UID:33169d69-2969-4a96-a3e1-2e312b7614e6
 SUMMARY:Near Daily Action Meeting
 X-MOZ-GENERATION:2
 DTSTART:20081019T220000Z
+RECURRENCE-ID:20081019T220000Z
 DURATION:PT30M
 END:VEVENT
 BEGIN:VEVENT
diff --git a/testing/tests/regression-suite/2000-REPORT-expanded-nz-holidays-2005.result b/testing/tests/regression-suite/2000-REPORT-expanded-nz-holidays-2005.result
index 14eda2ed..f0453638 100644
--- a/testing/tests/regression-suite/2000-REPORT-expanded-nz-holidays-2005.result
+++ b/testing/tests/regression-suite/2000-REPORT-expanded-nz-holidays-2005.result
@@ -2,8 +2,8 @@ HTTP/1.1 207 Multi-Status
 Date: Dow, 01 Jan 2000 00:00:00 GMT
 DAV: 1, 2, 3, access-control, calendar-access, calendar-schedule
 DAV: extended-mkcol, calendar-proxy, bind, addressbook
-ETag: "1ede6102fc1fe7d9d94f0e8f11fe6e42"
-Content-Length: 13870
+ETag: "0d40303fa8e92937b6b3e1e54c1e30b4"
+Content-Length: 14640
 Content-Type: text/xml; charset="utf-8"
 
 <?xml version="1.0" encoding="utf-8" ?>
@@ -24,6 +24,7 @@ UID:20081226-1-all-publicholidays-dol.govt.nz
 SUMMARY:Boxing Day
 TRANSP:TRANSPARENT
 DTSTART;VALUE=DATE:20051226
+RECURRENCE-ID;VALUE=DATE:20051226
 DURATION:P1D
 END:VEVENT
 END:VCALENDAR
@@ -49,6 +50,7 @@ SUMMARY:New Year's Day
 TRANSP:TRANSPARENT
 X-MOZ-GENERATION:1
 DTSTART;VALUE=DATE:20050101
+RECURRENCE-ID;VALUE=DATE:20050101
 DURATION:P1D
 END:VEVENT
 END:VCALENDAR
@@ -74,6 +76,7 @@ SUMMARY:Christmas Day
 TRANSP:TRANSPARENT
 X-MOZ-GENERATION:2
 DTSTART;VALUE=DATE:20051225
+RECURRENCE-ID;VALUE=DATE:20051225
 DURATION:P1D
 END:VEVENT
 END:VCALENDAR
@@ -99,6 +102,7 @@ SUMMARY:Waitangi Day
 TRANSP:TRANSPARENT
 X-MOZ-GENERATION:4
 DTSTART;VALUE=DATE:20050206
+RECURRENCE-ID;VALUE=DATE:20050206
 DURATION:P1D
 END:VEVENT
 END:VCALENDAR
@@ -124,6 +128,7 @@ SUMMARY:ANZAC Day
 TRANSP:TRANSPARENT
 X-MOZ-GENERATION:2
 DTSTART;VALUE=DATE:20050425
+RECURRENCE-ID;VALUE=DATE:20050425
 DURATION:P1D
 END:VEVENT
 END:VCALENDAR
@@ -148,6 +153,7 @@ UID:20090601-1-all-publicholidays-dol.govt.nz
 SUMMARY:Queen's Birthday
 TRANSP:TRANSPARENT
 DTSTART;VALUE=DATE:20050606
+RECURRENCE-ID;VALUE=DATE:20050606
 DURATION:P1D
 END:VEVENT
 END:VCALENDAR
@@ -172,6 +178,7 @@ UID:20091026-1-all-publicholidays-dol.govt.nz
 SUMMARY:Labour Day
 TRANSP:TRANSPARENT
 DTSTART;VALUE=DATE:20051024
+RECURRENCE-ID;VALUE=DATE:20051024
 DURATION:P1D
 END:VEVENT
 END:VCALENDAR
@@ -196,6 +203,7 @@ UID:20090102-1-all-publicholidays-dol.govt.nz
 SUMMARY:Day after New Year's Day
 TRANSP:TRANSPARENT
 DTSTART;VALUE=DATE:20050102
+RECURRENCE-ID;VALUE=DATE:20050102
 DURATION:P1D
 END:VEVENT
 END:VCALENDAR
@@ -221,6 +229,7 @@ SUMMARY:Boxing Day Holiday
 TRANSP:TRANSPARENT
 X-MOZ-GENERATION:1
 DTSTART;VALUE=DATE:20051227
+RECURRENCE-ID;VALUE=DATE:20051227
 DURATION:P1D
 END:VEVENT
 END:VCALENDAR
@@ -245,6 +254,7 @@ UID:20091228-1-all-publicholidays-dol.govt.nz
 SUMMARY:Christmas Day Holiday
 TRANSP:TRANSPARENT
 DTSTART;VALUE=DATE:20051226
+RECURRENCE-ID;VALUE=DATE:20051226
 DURATION:P1D
 END:VEVENT
 END:VCALENDAR
@@ -269,6 +279,7 @@ UID:20100101-1-all-publicholidays-dol.govt.nz
 SUMMARY:New Year's Day Holiday
 TRANSP:TRANSPARENT
 DTSTART;VALUE=DATE:20050103
+RECURRENCE-ID;VALUE=DATE:20050103
 DURATION:P1D
 END:VEVENT
 END:VCALENDAR
@@ -293,6 +304,7 @@ UID:20100607-1-all-publicholidays-dol.govt.nz
 SUMMARY:Day after New Year's Day Holiday
 TRANSP:TRANSPARENT
 DTSTART;VALUE=DATE:20050104
+RECURRENCE-ID;VALUE=DATE:20050104
 DURATION:P1D
 END:VEVENT
 END:VCALENDAR
@@ -317,6 +329,7 @@ UID:20081201-1-all-publicholidays-dol.govt.nz
 SUMMARY:Westland Anniversary Day (Monday nearest 1st December)
 TRANSP:TRANSPARENT
 DTSTART;VALUE=DATE:20051128
+RECURRENCE-ID;VALUE=DATE:20051128
 DURATION:P1D
 END:VEVENT
 END:VCALENDAR
@@ -341,6 +354,7 @@ UID:20081201-2-all-publicholidays-dol.govt.nz
 SUMMARY:Chatham Islands Anniversary Day (Monday nearest 30th November)
 TRANSP:TRANSPARENT
 DTSTART;VALUE=DATE:20051128
+RECURRENCE-ID;VALUE=DATE:20051128
 DURATION:P1D
 END:VEVENT
 END:VCALENDAR
@@ -365,6 +379,7 @@ UID:20090126-1-all-publicholidays-dol.govt.nz
 SUMMARY:Auckland Anniversary Day (Monday nearest 29th January)
 TRANSP:TRANSPARENT
 DTSTART;VALUE=DATE:20050131
+RECURRENCE-ID;VALUE=DATE:20050131
 DURATION:P1D
 END:VEVENT
 END:VCALENDAR
@@ -389,6 +404,7 @@ UID:20090119-1-all-publicholidays-dol.govt.nz
 SUMMARY:Wellington Anniversary Day (Monday nearest 22nd January)
 TRANSP:TRANSPARENT
 DTSTART;VALUE=DATE:20050124
+RECURRENCE-ID;VALUE=DATE:20050124
 DURATION:P1D
 END:VEVENT
 END:VCALENDAR
@@ -413,6 +429,7 @@ UID:20090119-2-all-publicholidays-dol.govt.nz
 SUMMARY:Southland Anniversary Day (Monday nearest 17th January)
 TRANSP:TRANSPARENT
 DTSTART;VALUE=DATE:20050117
+RECURRENCE-ID;VALUE=DATE:20050117
 DURATION:P1D
 END:VEVENT
 END:VCALENDAR
@@ -437,6 +454,7 @@ UID:20090202-1-all-publicholidays-dol.govt.nz
 SUMMARY:Nelson Anniversary Day (Monday nearest 1st Feb)
 TRANSP:TRANSPARENT
 DTSTART;VALUE=DATE:20050131
+RECURRENCE-ID;VALUE=DATE:20050131
 DURATION:P1D
 END:VEVENT
 END:VCALENDAR
@@ -462,6 +480,7 @@ SUMMARY:
  Hawkes' Bay Anniversary Day (Friday before 4th Monday of October)
 TRANSP:TRANSPARENT
 DTSTART;VALUE=DATE:20051021
+RECURRENCE-ID;VALUE=DATE:20051021
 DURATION:P1D
 END:VEVENT
 END:VCALENDAR
@@ -486,6 +505,7 @@ UID:20091102-1-all-publicholidays-dol.govt.nz
 SUMMARY:Marlborough Anniversary Day (Monday after 4th Monday of October)
 TRANSP:TRANSPARENT
 DTSTART;VALUE=DATE:20051031
+RECURRENCE-ID;VALUE=DATE:20051031
 DURATION:P1D
 END:VEVENT
 END:VCALENDAR
@@ -511,6 +531,7 @@ SUMMARY:Canterbury Anniversary Day (Second Friday after the first Tuesda
  y in November)
 TRANSP:TRANSPARENT
 DTSTART;VALUE=DATE:20051111
+RECURRENCE-ID;VALUE=DATE:20051111
 DURATION:P1D
 END:VEVENT
 END:VCALENDAR
@@ -535,6 +556,7 @@ UID:20090928-1-all-publicholidays-dol.govt.nz
 SUMMARY:South Canterbury Anniversary Day (4th Monday in September)
 TRANSP:TRANSPARENT
 DTSTART;VALUE=DATE:20050926
+RECURRENCE-ID;VALUE=DATE:20050926
 DURATION:P1D
 END:VEVENT
 END:VCALENDAR
diff --git a/testing/tests/regression-suite/2001-REPORT-expanded-queens-birthday-2005.result b/testing/tests/regression-suite/2001-REPORT-expanded-queens-birthday-2005.result
index 3180d90f..ee936196 100644
--- a/testing/tests/regression-suite/2001-REPORT-expanded-queens-birthday-2005.result
+++ b/testing/tests/regression-suite/2001-REPORT-expanded-queens-birthday-2005.result
@@ -2,8 +2,8 @@ HTTP/1.1 207 Multi-Status
 Date: Dow, 01 Jan 2000 00:00:00 GMT
 DAV: 1, 2, 3, access-control, calendar-access, calendar-schedule
 DAV: extended-mkcol, calendar-proxy, bind, addressbook
-ETag: "f57bc105449e3d80e3411f3169b14ce4"
-Content-Length: 722
+ETag: "9eda5c6028557b75a22a4328a90a6d08"
+Content-Length: 757
 Content-Type: text/xml; charset="utf-8"
 
 <?xml version="1.0" encoding="utf-8" ?>
@@ -24,6 +24,7 @@ UID:20090601-1-all-publicholidays-dol.govt.nz
 SUMMARY:Queen's Birthday
 TRANSP:TRANSPARENT
 DTSTART;VALUE=DATE:20050606
+RECURRENCE-ID;VALUE=DATE:20050606
 DURATION:P1D
 END:VEVENT
 END:VCALENDAR