diff --git a/server/chat-commands/moderation.ts b/server/chat-commands/moderation.ts
index d1083455fe..4f37af8331 100644
--- a/server/chat-commands/moderation.ts
+++ b/server/chat-commands/moderation.ts
@@ -1527,7 +1527,7 @@ export const commands: ChatCommands = {
 			return this.errorReply(`User '${target}' not found.`);
 		}
 		this.checkCan('forcerename', targetID);
-		const {publicReason, privateReason} = this.parseSpoiler(target);
+		const {publicReason, privateReason} = this.parseSpoiler(reason);
 
 		Monitor.forceRenames.set(targetUser.id, (Monitor.forceRenames.get(targetUser.id) || 0) + 1);
 
diff --git a/server/chat.ts b/server/chat.ts
index 1a731e0488..3515ea0dbe 100644
--- a/server/chat.ts
+++ b/server/chat.ts
@@ -814,7 +814,7 @@ export class CommandContext extends MessageContext {
 		(this.room || Rooms.global).modlog(entry);
 	}
 	parseSpoiler(str: string) {
-		let privateReason;
+		let privateReason = "";
 		if (!str) return {publicReason: "", privateReason};
 
 		let publicReason = str;