diff --git a/src/main/kotlin/dev/usbharu/hideout/mastodon/domain/model/NotificationType.kt b/src/main/kotlin/dev/usbharu/hideout/mastodon/domain/model/NotificationType.kt
index 8a1be504..b4eb3a45 100644
--- a/src/main/kotlin/dev/usbharu/hideout/mastodon/domain/model/NotificationType.kt
+++ b/src/main/kotlin/dev/usbharu/hideout/mastodon/domain/model/NotificationType.kt
@@ -23,7 +23,7 @@ enum class NotificationType {
             "favourite" -> favourite
             "poll" -> poll
             "update" -> update
-            "admin.aign_up" -> admin_sign_up
+            "admin.sign_up" -> admin_sign_up
             "admin.report" -> admin_report
             "servered_relationships" -> severed_relationships
             else -> null