diff --git a/common/src/main/kotlin/entity/DiscordChannel.kt b/common/src/main/kotlin/entity/DiscordChannel.kt
index 5c3b4561fdbd..64c568a64522 100644
--- a/common/src/main/kotlin/entity/DiscordChannel.kt
+++ b/common/src/main/kotlin/entity/DiscordChannel.kt
@@ -180,7 +180,7 @@ public data class DiscordThreadMetadata(
     val locked: OptionalBoolean = OptionalBoolean.Missing,
     val invitable: OptionalBoolean = OptionalBoolean.Missing,
     @SerialName("create_timestamp")
-    val createTimestamp: Optional<Instant> = Optional.Missing(),
+    val createTimestamp: Optional<Instant?> = Optional.Missing(),
 )
 
 @Serializable(with = ArchiveDuration.Serializer::class)
diff --git a/core/src/main/kotlin/cache/data/ChannelData.kt b/core/src/main/kotlin/cache/data/ChannelData.kt
index 94a3959430a4..15ece86f54ac 100644
--- a/core/src/main/kotlin/cache/data/ChannelData.kt
+++ b/core/src/main/kotlin/cache/data/ChannelData.kt
@@ -80,7 +80,7 @@ public data class ThreadMetadataData(
     val autoArchiveDuration: ArchiveDuration,
     val locked: OptionalBoolean = OptionalBoolean.Missing,
     val invitable: OptionalBoolean = OptionalBoolean.Missing,
-    val createTimestamp: Optional<Instant> = Optional.Missing(),
+    val createTimestamp: Optional<Instant?> = Optional.Missing(),
 ) {
 
     public companion object {