diff --git a/apps/dav/lib/CalDAV/Reminder/NotificationProvider/EmailProvider.php b/apps/dav/lib/CalDAV/Reminder/NotificationProvider/EmailProvider.php
index ef824821e3..6b026753d6 100644
--- a/apps/dav/lib/CalDAV/Reminder/NotificationProvider/EmailProvider.php
+++ b/apps/dav/lib/CalDAV/Reminder/NotificationProvider/EmailProvider.php
@@ -155,18 +155,18 @@ class EmailProvider extends AbstractProvider {
 								   string $calendarDisplayName,
 								   VEvent $vevent):void {
 		$template->addBodyListItem($calendarDisplayName, $l10n->t('Calendar:'),
-			$this->getAbsoluteImagePath('actions/info.svg'));
+			$this->getAbsoluteImagePath('actions/info.png'));
 
 		$template->addBodyListItem($this->generateDateString($l10n, $vevent), $l10n->t('Date:'),
-			$this->getAbsoluteImagePath('places/calendar.svg'));
+			$this->getAbsoluteImagePath('places/calendar.png'));
 
 		if (isset($vevent->LOCATION)) {
 			$template->addBodyListItem((string) $vevent->LOCATION, $l10n->t('Where:'),
-				$this->getAbsoluteImagePath('actions/address.svg'));
+				$this->getAbsoluteImagePath('actions/address.png'));
 		}
 		if (isset($vevent->DESCRIPTION)) {
 			$template->addBodyListItem((string) $vevent->DESCRIPTION, $l10n->t('Description:'),
-				$this->getAbsoluteImagePath('actions/more.svg'));
+				$this->getAbsoluteImagePath('actions/more.png'));
 		}
 	}
 
diff --git a/apps/dav/tests/unit/CalDAV/Reminder/NotificationProvider/EmailProviderTest.php b/apps/dav/tests/unit/CalDAV/Reminder/NotificationProvider/EmailProviderTest.php
index 226a7a28ba..76b2a0c4f6 100644
--- a/apps/dav/tests/unit/CalDAV/Reminder/NotificationProvider/EmailProviderTest.php
+++ b/apps/dav/tests/unit/CalDAV/Reminder/NotificationProvider/EmailProviderTest.php
@@ -478,7 +478,7 @@ class EmailProviderTest extends AbstractNotificationProviderTest {
 			$this->urlGenerator
 				->expects($this->at(8 * $i))
 				->method('imagePath')
-				->with('core', 'actions/info.svg')
+				->with('core', 'actions/info.png')
 				->willReturn('imagePath1');
 
 			$this->urlGenerator
@@ -490,7 +490,7 @@ class EmailProviderTest extends AbstractNotificationProviderTest {
 			$this->urlGenerator
 				->expects($this->at(8 * $i + 2))
 				->method('imagePath')
-				->with('core', 'places/calendar.svg')
+				->with('core', 'places/calendar.png')
 				->willReturn('imagePath2');
 
 			$this->urlGenerator
@@ -502,7 +502,7 @@ class EmailProviderTest extends AbstractNotificationProviderTest {
 			$this->urlGenerator
 				->expects($this->at(8 * $i + 4))
 				->method('imagePath')
-				->with('core', 'actions/address.svg')
+				->with('core', 'actions/address.png')
 				->willReturn('imagePath3');
 
 			$this->urlGenerator
@@ -514,7 +514,7 @@ class EmailProviderTest extends AbstractNotificationProviderTest {
 			$this->urlGenerator
 				->expects($this->at(8 * $i + 6))
 				->method('imagePath')
-				->with('core', 'actions/more.svg')
+				->with('core', 'actions/more.png')
 				->willReturn('imagePath4');
 
 			$this->urlGenerator
diff --git a/core/img/actions/address.png b/core/img/actions/address.png
new file mode 100644
index 0000000000..8c5c4ccbc3
Binary files /dev/null and b/core/img/actions/address.png differ
diff --git a/core/img/actions/info.png b/core/img/actions/info.png
new file mode 100644
index 0000000000..69503b54dc
Binary files /dev/null and b/core/img/actions/info.png differ
diff --git a/core/img/actions/more.png b/core/img/actions/more.png
new file mode 100644
index 0000000000..70cac71e7e
Binary files /dev/null and b/core/img/actions/more.png differ
diff --git a/core/img/places/calendar.png b/core/img/places/calendar.png
new file mode 100644
index 0000000000..06efc29546
Binary files /dev/null and b/core/img/places/calendar.png differ