diff --git a/test/test_utils.py b/test/test_utils.py
index f42da2186..f4c11d1d1 100644
--- a/test/test_utils.py
+++ b/test/test_utils.py
@@ -34,6 +34,12 @@ def test_convert_cookies():
     assert cookie_dict.get("a1") == "x000101360"
 
 
+def test_convert_str_cookie_to_dict_preserves_equals_in_cookie_values():
+    cookie_dict = utils.convert_str_cookie_to_dict("session=eyJhbGciOiJIUzI1NiJ9==; theme=dark")
+
+    assert cookie_dict == {"session": "eyJhbGciOiJIUzI1NiJ9==", "theme": "dark"}
+
+
 @pytest.mark.asyncio
 async def test_convert_browser_context_cookies_uses_url_filter():
     browser_context = AsyncMock()
diff --git a/tools/crawler_util.py b/tools/crawler_util.py
index c81637743..c200dd750 100644
--- a/tools/crawler_util.py
+++ b/tools/crawler_util.py
@@ -164,7 +164,7 @@ def convert_str_cookie_to_dict(cookie_str: str) -> Dict:
         cookie = cookie.strip()
         if not cookie:
             continue
-        cookie_list = cookie.split("=")
+        cookie_list = cookie.split("=", 1)
         if len(cookie_list) != 2:
             continue
         cookie_value = cookie_list[1]