diff --git a/src/webdrivers/firefox.py b/src/webdrivers/firefox.py
index 09feefb3f..6e3cb60e7 100644
--- a/src/webdrivers/firefox.py
+++ b/src/webdrivers/firefox.py
@@ -36,8 +36,7 @@ def create_options(self) -> webdriver.FirefoxOptions:
             options.set_preference(key, value)
 
         if self.profile.profile_path:
-            profile = webdriver.FirefoxProfile(self.profile.profile_path)
-            options.profile = profile
+            options.set_preference("profile", self.profile.profile_path)
             logger.debug(f"Using Firefox profile directory: {self.profile.profile_path}")
         else:
             options.set_preference("browser.privatebrowsing.autostart", True)
diff --git a/tests/test_utils.py b/tests/test_utils.py
index f02af1374..1cb09e6c6 100644
--- a/tests/test_utils.py
+++ b/tests/test_utils.py
@@ -75,7 +75,7 @@ def test_scroll_slow_element_not_scrollable(mocker):
 
 # Test chrome_browser_options function
 def test_chrome_browser_options(mocker):
-    mocker.patch("os.path.dirname", return_value="/mocked/path")
+    mocker.patch("os.path.dirname", return_value="mocked/path")
     mocker.patch("os.path.basename", return_value="profile_directory")
 
     mock_options = mocker.Mock()