diff --git a/apps/dav/lib/CalDAV/Activity/Provider/Calendar.php b/apps/dav/lib/CalDAV/Activity/Provider/Calendar.php
index 45bc3d71c4..961e4b9764 100644
--- a/apps/dav/lib/CalDAV/Activity/Provider/Calendar.php
+++ b/apps/dav/lib/CalDAV/Activity/Provider/Calendar.php
@@ -93,7 +93,7 @@ class Calendar extends Base {
 		if ($this->activityManager->getRequirePNG()) {
 			$event->setIcon($this->url->getAbsoluteURL($this->url->imagePath('core', 'places/calendar-dark.png')));
 		} else {
-			$event->setIcon($this->url->getAbsoluteURL($this->url->imagePath('core', 'places/calendar-dark.svg')));
+			$event->setIcon($this->url->getAbsoluteURL($this->url->imagePath('core', 'places/calendar.svg')));
 		}
 
 		if ($event->getSubject() === self::SUBJECT_ADD) {
diff --git a/apps/dav/lib/CalDAV/Activity/Provider/Event.php b/apps/dav/lib/CalDAV/Activity/Provider/Event.php
index f13cb0c266..378a18397e 100644
--- a/apps/dav/lib/CalDAV/Activity/Provider/Event.php
+++ b/apps/dav/lib/CalDAV/Activity/Provider/Event.php
@@ -87,7 +87,7 @@ class Event extends Base {
 		if ($this->activityManager->getRequirePNG()) {
 			$event->setIcon($this->url->getAbsoluteURL($this->url->imagePath('core', 'places/calendar-dark.png')));
 		} else {
-			$event->setIcon($this->url->getAbsoluteURL($this->url->imagePath('core', 'places/calendar-dark.svg')));
+			$event->setIcon($this->url->getAbsoluteURL($this->url->imagePath('core', 'places/calendar.svg')));
 		}
 
 		if ($event->getSubject() === self::SUBJECT_OBJECT_ADD . '_event') {