diff --git a/client/javascript/tls_socket.js b/client/javascript/tls_socket.js
index 3f4592d..a5249ac 100644
--- a/client/javascript/tls_socket.js
+++ b/client/javascript/tls_socket.js
@@ -21,8 +21,12 @@ class TLSSocket {
   }
 
   connect() {
+    let response_info;
     let data_callback = () => {};
-    let finish_callback = (error, response_info) => {
+    let headers_callback = (info) => {
+      response_info = info;
+    }
+    let finish_callback = (error) => {
       if (error === 0) {
         this.connected = true;
         this.event_loop = setInterval(() => {
@@ -42,7 +46,7 @@ class TLSSocket {
       request_options._libcurl_verbose = 1;
     }
 
-    this.http_handle = perform_request(this.url, request_options, data_callback, finish_callback, null);
+    this.http_handle = perform_request(this.url, request_options, data_callback, finish_callback, headers_callback, null);
   }
 
   recv() {
diff --git a/client/javascript/websocket.js b/client/javascript/websocket.js
index 0e2da59..54780de 100644
--- a/client/javascript/websocket.js
+++ b/client/javascript/websocket.js
@@ -22,8 +22,12 @@ class CurlWebSocket {
   }
 
   connect() {
+    let response_info;
     let data_callback = () => {};
-    let finish_callback = (error, response_info) => {
+    let headers_callback = (info) => {
+      response_info = info;
+    }
+    let finish_callback = (error) => {
       if (error === 0) {
         this.connected = true;
         this.event_loop = setInterval(() => {
@@ -45,7 +49,7 @@ class CurlWebSocket {
     if (this.options.verbose) {
       request_options._libcurl_verbose = 1;
     }
-    this.http_handle = perform_request(this.url, request_options, data_callback, finish_callback, null);
+    this.http_handle = perform_request(this.url, request_options, data_callback, finish_callback, headers_callback, null);
   }
 
   recv() {
diff --git a/client/tests/run_tests.py b/client/tests/run_tests.py
index 5b14bf5..19c2ad6 100644
--- a/client/tests/run_tests.py
+++ b/client/tests/run_tests.py
@@ -49,5 +49,8 @@ class JSTest(unittest.TestCase):
   def test_redirect_out(self):
     self.run_test("redirect_out.js")
 
+  def test_tls_socket(self):
+    self.run_test("test_tls_socket.js")
+
 if __name__ == "__main__":
   unittest.main()
\ No newline at end of file
diff --git a/client/tests/scripts/test_tls_socket.js b/client/tests/scripts/test_tls_socket.js
new file mode 100644
index 0000000..9335414
--- /dev/null
+++ b/client/tests/scripts/test_tls_socket.js
@@ -0,0 +1,27 @@
+function test() {
+  return new Promise((resolve, reject) => {
+    let socket = new libcurl.TLSSocket("cloudflare.com", 443, {verbose: 1});
+
+    socket.onopen = () => {
+      let str = "GET /cdn-cgi/trace HTTP/1.1\r\nHost: cloudflare.com\r\nConnection: close\r\n\r\n";
+      socket.send(new TextEncoder().encode(str));
+    };
+
+    socket.onmessage = (data) => {
+      let text = new TextDecoder().decode(data);
+      if (!text.includes("tls=TLSv1.3")) {
+        reject("cloudflare reported tls version mismatch"); 
+        return;
+      }
+      if (!text.includes("HTTP/1.1 200 OK")) {
+        reject("cloudflare reported http error"); 
+        return;
+      }
+      resolve();
+    };
+
+    socket.onerror = (error) => {
+      reject("socket error occurred " + error);
+    }
+  });
+}
\ No newline at end of file