diff --git a/undetected_chromedriver/__init__.py b/undetected_chromedriver/__init__.py
index 6ac1cea..d690d3f 100644
--- a/undetected_chromedriver/__init__.py
+++ b/undetected_chromedriver/__init__.py
@@ -245,16 +245,16 @@ class Chrome(selenium.webdriver.chrome.webdriver.WebDriver):
 
         options._session = self
 
-        debug_port = selenium.webdriver.common.service.utils.free_port()
-        debug_host = "127.0.0.1"
-
         if not options.debugger_address:
+            debug_port = port if port != 0 else selenium.webdriver.common.service.utils.free_port()
+            debug_host = "127.0.0.1"
             options.debugger_address = "%s:%d" % (debug_host, debug_port)
+        else:
+            debug_host, debug_port = options.debugger_address.split(":")
+            debug_port = int(debug_port)
 
         if enable_cdp_events:
-            options.set_capability(
-                "goog:loggingPrefs", {"performance": "ALL", "browser": "ALL"}
-            )
+            options.set_capability("goog:loggingPrefs", {"performance": "ALL", "browser": "ALL"})
 
         options.add_argument("--remote-debugging-host=%s" % debug_host)
         options.add_argument("--remote-debugging-port=%s" % debug_port)
@@ -279,15 +279,12 @@ class Chrome(selenium.webdriver.chrome.webdriver.WebDriver):
                 m = re.search("(?:--)?user-data-dir(?:[ =])?(.*)", arg)
                 try:
                     user_data_dir = m[1]
-                    logger.debug(
-                        "user-data-dir found in user argument %s => %s" % (arg, m[1])
-                    )
+                    logger.debug("user-data-dir found in user argument %s => %s" % (arg, m[1]))
                     keep_user_data_dir = True
 
                 except IndexError:
                     logger.debug(
-                        "no user data dir could be extracted from supplied argument %s "
-                        % arg
+                        "no user data dir could be extracted from supplied argument %s " % arg
                     )
 
         if not user_data_dir:
@@ -295,9 +292,7 @@ class Chrome(selenium.webdriver.chrome.webdriver.WebDriver):
             # backward compatiblity
             # check if an old uc.ChromeOptions is used, and extract the user data dir
 
-            if hasattr(options, "user_data_dir") and getattr(
-                options, "user_data_dir", None
-            ):
+            if hasattr(options, "user_data_dir") and getattr(options, "user_data_dir", None):
                 import warnings
 
                 warnings.warn(
@@ -306,9 +301,7 @@ class Chrome(selenium.webdriver.chrome.webdriver.WebDriver):
                 )
                 options.add_argument("--user-data-dir=%s" % options.user_data_dir)
                 keep_user_data_dir = True
-                logger.debug(
-                    "user_data_dir property found in options object: %s" % user_data_dir
-                )
+                logger.debug("user_data_dir property found in options object: %s" % user_data_dir)
 
             else:
                 user_data_dir = os.path.normpath(tempfile.mkdtemp())
@@ -333,9 +326,7 @@ class Chrome(selenium.webdriver.chrome.webdriver.WebDriver):
         options.add_argument("--lang=%s" % language)
 
         if not options.binary_location:
-            options.binary_location = (
-                browser_executable_path or find_chrome_executable()
-            )
+            options.binary_location = browser_executable_path or find_chrome_executable()
 
         self._delay = 3
 
@@ -353,8 +344,7 @@ class Chrome(selenium.webdriver.chrome.webdriver.WebDriver):
             # on linux using privileged user like root (which i don't recommend)
 
         options.add_argument(
-            "--log-level=%d" % log_level
-            or divmod(logging.getLogger().getEffectiveLevel(), 10)[0]
+            "--log-level=%d" % log_level or divmod(logging.getLogger().getEffectiveLevel(), 10)[0]
         )
 
         if hasattr(options, "handle_prefs"):
@@ -384,9 +374,7 @@ class Chrome(selenium.webdriver.chrome.webdriver.WebDriver):
             desired_capabilities = options.to_capabilities()
 
         if not use_subprocess:
-            self.browser_pid = start_detached(
-                options.binary_location, *options.arguments
-            )
+            self.browser_pid = start_detached(options.binary_location, *options.arguments)
         else:
             browser = subprocess.Popen(
                 [options.binary_location, *options.arguments],
@@ -411,9 +399,7 @@ class Chrome(selenium.webdriver.chrome.webdriver.WebDriver):
 
         if enable_cdp_events:
             if logging.getLogger().getEffectiveLevel() == logging.DEBUG:
-                logging.getLogger(
-                    "selenium.webdriver.remote.remote_connection"
-                ).setLevel(20)
+                logging.getLogger("selenium.webdriver.remote.remote_connection").setLevel(20)
             reactor = Reactor(self)
             reactor.start()
             self.reactor = reactor
@@ -479,9 +465,9 @@ class Chrome(selenium.webdriver.chrome.webdriver.WebDriver):
                 self.execute_cdp_cmd(
                     "Network.setUserAgentOverride",
                     {
-                        "userAgent": self.execute_script(
-                            "return navigator.userAgent"
-                        ).replace("Headless", "")
+                        "userAgent": self.execute_script("return navigator.userAgent").replace(
+                            "Headless", ""
+                        )
                     },
                 )
                 self.execute_cdp_cmd(
@@ -626,11 +612,7 @@ class Chrome(selenium.webdriver.chrome.webdriver.WebDriver):
         return super().get(url)
 
     def add_cdp_listener(self, event_name, callback):
-        if (
-            self.reactor
-            and self.reactor is not None
-            and isinstance(self.reactor, Reactor)
-        ):
+        if self.reactor and self.reactor is not None and isinstance(self.reactor, Reactor):
             self.reactor.add_event_handler(event_name, callback)
             return self.reactor.handlers
         return False
@@ -728,8 +710,7 @@ class Chrome(selenium.webdriver.chrome.webdriver.WebDriver):
 
     def __del__(self):
         try:
-            super().quit()
-            # self.service.process.kill()
+            self.service.process.kill()
         except:  # noqa
             pass
         self.quit()
@@ -776,9 +757,7 @@ def find_chrome_executable():
                 ]
             )
     else:
-        for item in map(
-            os.environ.get, ("PROGRAMFILES", "PROGRAMFILES(X86)", "LOCALAPPDATA")
-        ):
+        for item in map(os.environ.get, ("PROGRAMFILES", "PROGRAMFILES(X86)", "LOCALAPPDATA")):
             if item is not None:
                 for subitem in (
                     "Google/Chrome/Application",