diff --git a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/auth/AuthenticationService.kt b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/auth/AuthenticationService.kt
index 9fde6d9326..1cc53b311c 100644
--- a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/auth/AuthenticationService.kt
+++ b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/auth/AuthenticationService.kt
@@ -140,7 +140,7 @@ interface AuthenticationService {
     suspend fun loginUsingQrLoginToken(
             homeServerConnectionConfig: HomeServerConnectionConfig,
             loginToken: String,
-            initialDeviceName: String?,
+            initialDeviceName: String? = null,
             deviceId: String? = null
     ): Session
 }