diff --git a/apps/dav/lib/CalDAV/CalendarImpl.php b/apps/dav/lib/CalDAV/CalendarImpl.php
index 919b08eefce2b..b3062f005ee27 100644
--- a/apps/dav/lib/CalDAV/CalendarImpl.php
+++ b/apps/dav/lib/CalDAV/CalendarImpl.php
@@ -110,6 +110,10 @@ public function getPermissions(): int {
 		$permissions = $this->calendar->getACL();
 		$result = 0;
 		foreach ($permissions as $permission) {
+			if ($this->calendarInfo['principaluri'] !== $permission['principal']) {
+				continue;
+			}
+
 			switch ($permission['privilege']) {
 				case '{DAV:}read':
 					$result |= Constants::PERMISSION_READ;
@@ -133,7 +137,7 @@ public function getPermissions(): int {
 	public function isWritable(): bool {
 		return $this->calendar->canWrite();
 	}
-	
+
 	/**
 	 * @since 26.0.0
 	 */
diff --git a/lib/public/Calendar/ICalendar.php b/lib/public/Calendar/ICalendar.php
index f29d6f3017636..2dfc1ca632f43 100644
--- a/lib/public/Calendar/ICalendar.php
+++ b/lib/public/Calendar/ICalendar.php
@@ -53,7 +53,7 @@ public function getDisplayColor(): ?string;
 	public function search(string $pattern, array $searchProperties = [], array $options = [], ?int $limit = null, ?int $offset = null): array;
 
 	/**
-	 * @return int build up using \OCP\Constants
+	 * @return int build up using {@see \OCP\Constants}
 	 * @since 13.0.0
 	 */
 	public function getPermissions(): int;