diff --git a/lib/connect-logger.js b/lib/connect-logger.js
index b9a64b8..b73822a 100755
--- a/lib/connect-logger.js
+++ b/lib/connect-logger.js
@@ -273,6 +273,7 @@ module.exports = function getLogger(logger4js, options) {
 
         res.__statusCode = code;
         res.__headers = headers || {};
+        return res;
       };
 
       // hook on end request to emit the log entry of the HTTP request.
diff --git a/test/tap/connect-context-test.js b/test/tap/connect-context-test.js
index ffd88dc..58d440e 100644
--- a/test/tap/connect-context-test.js
+++ b/test/tap/connect-context-test.js
@@ -58,6 +58,7 @@ class MockResponse extends EE {
 
   writeHead(code /* , headers */) {
     this.statusCode = code;
+    return this;
   }
 }
 
diff --git a/test/tap/connect-logger-test.js b/test/tap/connect-logger-test.js
index 4119f31..48dc487 100644
--- a/test/tap/connect-logger-test.js
+++ b/test/tap/connect-logger-test.js
@@ -58,6 +58,7 @@ class MockResponse extends EE {
 
   writeHead(code /* , headers */) {
     this.statusCode = code;
+    return this;
   }
 }
 
@@ -87,8 +88,7 @@ function request(
     next = () => {};
   }
   cl(req, res, next);
-  res.writeHead(code, resHeaders);
-  res.end('chunk', 'encoding');
+  res.writeHead(code, resHeaders).end('chunk', 'encoding');
 }
 
 test('log4js connect logger', (batch) => {
diff --git a/test/tap/connect-nolog-test.js b/test/tap/connect-nolog-test.js
index 1d780a7..1c605e4 100644
--- a/test/tap/connect-nolog-test.js
+++ b/test/tap/connect-nolog-test.js
@@ -49,6 +49,7 @@ class MockResponse extends EE {
 
   writeHead(code /* , headers */) {
     this.statusCode = code;
+    return this;
   }
 }