diff --git a/libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/fixtures/factories/RoomPreviewInfo.kt b/libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/fixtures/factories/RoomPreviewInfo.kt
index c2c23fe6d9..d00582270d 100644
--- a/libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/fixtures/factories/RoomPreviewInfo.kt
+++ b/libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/fixtures/factories/RoomPreviewInfo.kt
@@ -32,5 +32,6 @@ internal fun aRustRoomPreviewInfo(
         isHistoryWorldReadable = true,
         membership = membership,
         joinRule = joinRule,
+        heroes = null,
     )
 }