diff --git a/android/app/src/main/kotlin/com/yubico/authenticator/fido/FidoManager.kt b/android/app/src/main/kotlin/com/yubico/authenticator/fido/FidoManager.kt
index d617c13d..839dae01 100644
--- a/android/app/src/main/kotlin/com/yubico/authenticator/fido/FidoManager.kt
+++ b/android/app/src/main/kotlin/com/yubico/authenticator/fido/FidoManager.kt
@@ -434,7 +434,7 @@ class FidoManager(
                         (credentialData.user["id"] as ByteArray).asString(),
                         credentialData.user["name"] as String,
                         publicKeyCredentialDescriptor = credentialData.credentialId,
-                        displayName = credentialData.user["displayName"] as String,
+                        displayName = credentialData.user["displayName"] as String?,
                     )
                 }
             }.reduceOrNull { credentials, credentialList ->
diff --git a/android/app/src/main/kotlin/com/yubico/authenticator/fido/data/FidoCredential.kt b/android/app/src/main/kotlin/com/yubico/authenticator/fido/data/FidoCredential.kt
index cdf2abbd..18a201ef 100644
--- a/android/app/src/main/kotlin/com/yubico/authenticator/fido/data/FidoCredential.kt
+++ b/android/app/src/main/kotlin/com/yubico/authenticator/fido/data/FidoCredential.kt
@@ -31,7 +31,7 @@ data class FidoCredential(
     @SerialName("user_name")
     val userName: String,
     @SerialName("display_name")
-    val displayName: String,
+    val displayName: String?,
     @Transient
     val publicKeyCredentialDescriptor: Map<String, Any?> = emptyMap()
 )