diff --git a/libraries/matrix/api/src/main/kotlin/io/element/android/libraries/matrix/api/room/Mention.kt b/libraries/matrix/api/src/main/kotlin/io/element/android/libraries/matrix/api/room/Mention.kt
index 5285638713..a02fedde4b 100644
--- a/libraries/matrix/api/src/main/kotlin/io/element/android/libraries/matrix/api/room/Mention.kt
+++ b/libraries/matrix/api/src/main/kotlin/io/element/android/libraries/matrix/api/room/Mention.kt
@@ -23,5 +23,5 @@ sealed interface Mention {
     data class User(val userId: UserId) : Mention
     data object AtRoom : Mention
     data class Room(val roomId: RoomId) : Mention
-    data class RoomAlias(val roomAlias: String?) : Mention
+    data class RoomAlias(val roomAlias: RoomAlias?) : Mention
 }