diff --git a/packages/discord.js/src/structures/GuildScheduledEvent.js b/packages/discord.js/src/structures/GuildScheduledEvent.js
index 390486c87..d7e328669 100644
--- a/packages/discord.js/src/structures/GuildScheduledEvent.js
+++ b/packages/discord.js/src/structures/GuildScheduledEvent.js
@@ -193,11 +193,12 @@ class GuildScheduledEvent extends Base {
 
   /**
    * The time the guild scheduled event will start at
-   * @type {Date}
+   * <info>This can be potentially `null` only when it's an {@link AuditLogEntryTarget}</info>
+   * @type {?Date}
    * @readonly
    */
   get scheduledStartAt() {
-    return new Date(this.scheduledStartTimestamp);
+    return this.scheduledStartTimestamp && new Date(this.scheduledStartTimestamp);
   }
 
   /**
diff --git a/packages/discord.js/typings/index.d.ts b/packages/discord.js/typings/index.d.ts
index 67ce926a7..ecd2d8a85 100644
--- a/packages/discord.js/typings/index.d.ts
+++ b/packages/discord.js/typings/index.d.ts
@@ -1368,7 +1368,7 @@ export class GuildScheduledEvent<S extends GuildScheduledEventStatus = GuildSche
   public creator: User | null;
   public get createdTimestamp(): number;
   public get createdAt(): Date;
-  public get scheduledStartAt(): Date;
+  public get scheduledStartAt(): Date | null;
   public get scheduledEndAt(): Date | null;
   public get channel(): VoiceChannel | StageChannel | null;
   public get guild(): Guild | null;