diff --git a/packages/misskey-js/src/streaming.ts b/packages/misskey-js/src/streaming.ts
index 0f26857782..83930e621c 100644
--- a/packages/misskey-js/src/streaming.ts
+++ b/packages/misskey-js/src/streaming.ts
@@ -291,7 +291,9 @@ export abstract class Connection<Channel extends AnyOf<Channels> = any> extends
 
 		this.stream = stream;
 		this.channel = channel;
-		this.name = name;
+		if (name !== undefined) {
+			this.name = name;
+		}
 	}
 
 	public send<T extends keyof Channel['receives']>(type: T, body: Channel['receives'][T]): void {
diff --git a/packages/misskey-js/tsconfig.json b/packages/misskey-js/tsconfig.json
index 6e34e332e0..f7bbc47304 100644
--- a/packages/misskey-js/tsconfig.json
+++ b/packages/misskey-js/tsconfig.json
@@ -15,6 +15,7 @@
 		"experimentalDecorators": true,
 		"noImplicitReturns": true,
 		"esModuleInterop": true,
+		"exactOptionalPropertyTypes": true,
 		"typeRoots": [
 			"./node_modules/@types"
 		],