diff --git a/libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/fixtures/fakes/FakeFfiSyncServiceBuilder.kt b/libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/fixtures/fakes/FakeFfiSyncServiceBuilder.kt
index 2cb67f2519..5a2615aa2b 100644
--- a/libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/fixtures/fakes/FakeFfiSyncServiceBuilder.kt
+++ b/libraries/matrix/impl/src/test/kotlin/io/element/android/libraries/matrix/impl/fixtures/fakes/FakeFfiSyncServiceBuilder.kt
@@ -15,5 +15,6 @@ import org.matrix.rustcomponents.sdk.SyncServiceBuilder
 class FakeFfiSyncServiceBuilder : SyncServiceBuilder(NoHandle) {
     override fun withOfflineMode(): SyncServiceBuilder = this
     override fun withSharePos(enable: Boolean): SyncServiceBuilder = this
+    override fun withProfilesExtension(): SyncServiceBuilder = this
     override suspend fun finish(): SyncService = FakeFfiSyncService()
 }