diff --git a/index.ts b/index.ts
index 4879c49..8411937 100644
--- a/index.ts
+++ b/index.ts
@@ -190,7 +190,7 @@ export class RotatingFileStream extends Writable {
 				done();
 			});
 
-			if(this.options.teeToStdout) process.stdout.write(chunk.chunk, chunk.encoding, () => {});
+			if(this.options.teeToStdout) process.stdout.write(chunk.chunk, chunk.encoding);
 		};
 
 		if(this.stream) {
diff --git a/test/05options.ts b/test/05options.ts
index f5ac2ba..3a4e91d 100644
--- a/test/05options.ts
+++ b/test/05options.ts
@@ -141,12 +141,7 @@ describe("options", () => {
 		const events = test({ options: { size: "10B", teeToStdout: true } }, rfs => {
 			const write = process.stdout.write;
 
-			process.stdout.write = (str: string | Uint8Array, encoding?: string | ((err?: Error) => void), cb?: (err?: Error) => void): boolean => {
-				content.push({ str, encoding });
-				cb();
-
-				return false;
-			};
+			process.stdout.write = (str: string | Uint8Array, encoding?: string | ((err?: Error) => void), cb?: (err?: Error) => void): boolean => content.push({ str, encoding, cb }) === 0;
 
 			rfs.write("test\n");
 			rfs.write("test\n");
@@ -156,9 +151,9 @@ describe("options", () => {
 		it("events", () => deq(events, { finish: 1, open: ["test.log", "test.log"], rotated: ["1-test.log"], rotation: 1, write: 1, writev: 1 }));
 		it("stdout", () =>
 			deq(content, [
-				{ encoding: "buffer", str: Buffer.from("test\n") },
-				{ encoding: "buffer", str: Buffer.from("test\n") },
-				{ encoding: "buffer", str: Buffer.from("test\n") },
+				{ str: Buffer.from("test\n"), encoding: "buffer", cb: undefined },
+				{ str: Buffer.from("test\n"), encoding: "buffer", cb: undefined },
+				{ str: Buffer.from("test\n"), encoding: "buffer", cb: undefined }
 			]));
 		it("file content", () => eq(readFileSync("test.log", "utf8"), "test\n"));
 		it("rotated file content", () => eq(readFileSync("1-test.log", "utf8"), "test\ntest\n"));