diff --git a/apps/dav/lib/CalDAV/Calendar.php b/apps/dav/lib/CalDAV/Calendar.php
index 203c998e00..e3147062b1 100644
--- a/apps/dav/lib/CalDAV/Calendar.php
+++ b/apps/dav/lib/CalDAV/Calendar.php
@@ -48,6 +48,9 @@ class Calendar extends \Sabre\CalDAV\Calendar implements IShareable {
 	/** @var IConfig */
 	private $config;
 
+	/** @var IL10N */
+	protected $l10n;
+
 	/**
 	 * Calendar constructor.
 	 *
@@ -68,6 +71,7 @@ class Calendar extends \Sabre\CalDAV\Calendar implements IShareable {
 		}
 
 		$this->config = $config;
+		$this->l10n = $l10n;
 	}
 
 	/**
@@ -289,7 +293,7 @@ class Calendar extends \Sabre\CalDAV\Calendar implements IShareable {
 
 		$obj['acl'] = $this->getChildACL();
 
-		return new CalendarObject($this->caldavBackend, $this->calendarInfo, $obj);
+		return new CalendarObject($this->caldavBackend, $this->l10n, $this->calendarInfo, $obj);
 
 	}
 
@@ -302,7 +306,7 @@ class Calendar extends \Sabre\CalDAV\Calendar implements IShareable {
 				continue;
 			}
 			$obj['acl'] = $this->getChildACL();
-			$children[] = new CalendarObject($this->caldavBackend, $this->calendarInfo, $obj);
+			$children[] = new CalendarObject($this->caldavBackend, $this->l10n, $this->calendarInfo, $obj);
 		}
 		return $children;
 
@@ -317,7 +321,7 @@ class Calendar extends \Sabre\CalDAV\Calendar implements IShareable {
 				continue;
 			}
 			$obj['acl'] = $this->getChildACL();
-			$children[] = new CalendarObject($this->caldavBackend, $this->calendarInfo, $obj);
+			$children[] = new CalendarObject($this->caldavBackend, $this->l10n, $this->calendarInfo, $obj);
 		}
 		return $children;
 
diff --git a/apps/dav/lib/CalDAV/CalendarObject.php b/apps/dav/lib/CalDAV/CalendarObject.php
index a5c6db6c3f..dd2684ffa9 100644
--- a/apps/dav/lib/CalDAV/CalendarObject.php
+++ b/apps/dav/lib/CalDAV/CalendarObject.php
@@ -2,9 +2,11 @@
 /**
  * @copyright Copyright (c) 2016, ownCloud, Inc.
  * @copyright Copyright (c) 2017, Georg Ehrke
+ * @copyright Copyright (c) 2020, Gary Kim <gary@garykim.dev>
  *
  * @author Georg Ehrke <oc.list@georgehrke.com>
  * @author Thomas Müller <thomas.mueller@tmit.eu>
+ * @author Gary Kim <gary@garykim.dev>
  *
  * @license AGPL-3.0
  *
@@ -25,26 +27,34 @@
 namespace OCA\DAV\CalDAV;
 
 
+use OCP\IL10N;
 use Sabre\VObject\Component;
 use Sabre\VObject\Property;
 use Sabre\VObject\Reader;
 
 class CalendarObject extends \Sabre\CalDAV\CalendarObject {
 
+	/** @var IL10N */
+	protected $l10n;
+
 	/**
 	 * CalendarObject constructor.
 	 *
 	 * @param CalDavBackend $caldavBackend
+	 * @param IL10N $l10n
 	 * @param array $calendarInfo
 	 * @param array $objectData
 	 */
-	public function __construct(CalDavBackend $caldavBackend, array $calendarInfo,
+	public function __construct(CalDavBackend $caldavBackend, IL10N $l10n,
+								array $calendarInfo,
 								array $objectData) {
 		parent::__construct($caldavBackend, $calendarInfo, $objectData);
 
 		if ($this->isShared()) {
 			unset($this->objectData['size']);
 		}
+
+		$this->l10n = $l10n;
 	}
 
 	/**
@@ -84,7 +94,7 @@ class CalendarObject extends \Sabre\CalDAV\CalendarObject {
 	 * @param Component\VCalendar $vObject
 	 * @return void
 	 */
-	private static function createConfidentialObject(Component\VCalendar $vObject) {
+	private function createConfidentialObject(Component\VCalendar $vObject) {
 		/** @var Component $vElement */
 		$vElement = null;
 		if(isset($vObject->VEVENT)) {
@@ -109,7 +119,7 @@ class CalendarObject extends \Sabre\CalDAV\CalendarObject {
 					case 'UID':
 						break;
 					case 'SUMMARY':
-						$property->setValue('Busy');
+						$property->setValue($this->l10n->t('Busy'));
 						break;
 					default:
 						$vElement->__unset($property->name);
diff --git a/apps/dav/lib/CalDAV/PublicCalendar.php b/apps/dav/lib/CalDAV/PublicCalendar.php
index b7ce37760a..62b07521ec 100644
--- a/apps/dav/lib/CalDAV/PublicCalendar.php
+++ b/apps/dav/lib/CalDAV/PublicCalendar.php
@@ -44,7 +44,7 @@ class PublicCalendar extends Calendar {
 		}
 		$obj['acl'] = $this->getChildACL();
 
-		return new PublicCalendarObject($this->caldavBackend, $this->calendarInfo, $obj);
+		return new PublicCalendarObject($this->caldavBackend, $this->l10n, $this->calendarInfo, $obj);
 	}
 
 	/**
@@ -58,7 +58,7 @@ class PublicCalendar extends Calendar {
 				continue;
 			}
 			$obj['acl'] = $this->getChildACL();
-			$children[] = new PublicCalendarObject($this->caldavBackend, $this->calendarInfo, $obj);
+			$children[] = new PublicCalendarObject($this->caldavBackend, $this->l10n, $this->calendarInfo, $obj);
 		}
 		return $children;
 	}
@@ -75,7 +75,7 @@ class PublicCalendar extends Calendar {
 				continue;
 			}
 			$obj['acl'] = $this->getChildACL();
-			$children[] = new PublicCalendarObject($this->caldavBackend, $this->calendarInfo, $obj);
+			$children[] = new PublicCalendarObject($this->caldavBackend, $this->l10n, $this->calendarInfo, $obj);
 		}
 		return $children;
 	}
diff --git a/apps/dav/tests/unit/CalDAV/CalendarTest.php b/apps/dav/tests/unit/CalDAV/CalendarTest.php
index a2481e59ae..80e75beca5 100644
--- a/apps/dav/tests/unit/CalDAV/CalendarTest.php
+++ b/apps/dav/tests/unit/CalDAV/CalendarTest.php
@@ -1,12 +1,14 @@
 <?php
 /**
  * @copyright Copyright (c) 2016, ownCloud, Inc.
+ * @copyright Copyright (c) 2020, Gary Kim <gary@garykim.dev>
  *
  * @author Georg Ehrke <oc.list@georgehrke.com>
  * @author Joas Schilling <coding@schilljs.com>
  * @author Morris Jobke <hey@morrisjobke.de>
  * @author Roeland Jago Douma <roeland@famdouma.nl>
  * @author Thomas Müller <thomas.mueller@tmit.eu>
+ * @author Gary Kim <gary@garykim.dev>
  *
  * @license AGPL-3.0
  *
@@ -73,7 +75,7 @@ class CalendarTest extends TestCase {
 		$c->delete();
 	}
 
-	
+
 	public function testDeleteFromGroup() {
 		$this->expectException(\Sabre\DAV\Exception\Forbidden::class);
 
@@ -427,6 +429,27 @@ EOD;
 		} else {
 			$this->assertEquals('Test Event', $event->VEVENT->SUMMARY->getValue());
 		}
+
+		// Test l10n
+		$l10n = $this->createMock(IL10N::class);
+		if ($isShared) {
+			$l10n->expects($this->once())
+				->method('t')
+				->with('Busy')
+				->willReturn("Translated busy");
+		} else {
+			$l10n->expects($this->never());
+		}
+		$c = new Calendar($backend, $calendarInfo, $l10n, $this->config);
+
+		$calData = $c->getChild('event-1')->get();
+		$event = Reader::read($calData);
+
+		if ($isShared) {
+			$this->assertEquals('Translated busy', $event->VEVENT->SUMMARY->getValue());
+		} else {
+			$this->assertEquals('Test Event', $event->VEVENT->SUMMARY->getValue());
+		}
 	}
 
 	public function providesConfidentialClassificationData() {