diff --git a/scrapling/engines/_browsers/_camoufox.py b/scrapling/engines/_browsers/_camoufox.py
index b7335c0..837bb6d 100644
--- a/scrapling/engines/_browsers/_camoufox.py
+++ b/scrapling/engines/_browsers/_camoufox.py
@@ -83,6 +83,7 @@ class StealthySession:
         "_closed",
         "launch_options",
         "context_options",
+        "_headers_keys",
     )
 
     def __init__(
@@ -204,6 +205,11 @@ class StealthySession:
         self._closed = False
         self.adaptor_arguments = config.adaptor_arguments
         self.page_action = config.page_action
+        self._headers_keys = (
+            set(map(str.lower, self.extra_headers.keys()))
+            if self.extra_headers
+            else set()
+        )
         self.__initiate_browser_options__()
 
     def __initiate_browser_options__(self):
@@ -377,7 +383,11 @@ class StealthySession:
             raise RuntimeError("Context manager has been closed")
 
         final_response = None
-        referer = generate_convincing_referer(url) if self.google_search else None
+        referer = (
+            generate_convincing_referer(url)
+            if (self.google_search and "referer" not in self._headers_keys)
+            else None
+        )
 
         def handle_response(finished_response: SyncPlaywrightResponse):
             nonlocal final_response
@@ -673,7 +683,11 @@ class AsyncStealthySession(StealthySession):
             raise RuntimeError("Context manager has been closed")
 
         final_response = None
-        referer = generate_convincing_referer(url) if self.google_search else None
+        referer = (
+            generate_convincing_referer(url)
+            if (self.google_search and "referer" not in self._headers_keys)
+            else None
+        )
 
         async def handle_response(finished_response: AsyncPlaywrightResponse):
             nonlocal final_response
diff --git a/scrapling/engines/_browsers/_controllers.py b/scrapling/engines/_browsers/_controllers.py
index 5148362..fef4acb 100644
--- a/scrapling/engines/_browsers/_controllers.py
+++ b/scrapling/engines/_browsers/_controllers.py
@@ -77,6 +77,7 @@ class DynamicSession:
         "launch_options",
         "context_options",
         "cdp_url",
+        "_headers_keys",
     )
 
     def __init__(
@@ -182,6 +183,11 @@ class DynamicSession:
         self._closed = False
         self.adaptor_arguments = config.adaptor_arguments
         self.page_action = config.page_action
+        self._headers_keys = (
+            set(map(str.lower, self.extra_headers.keys()))
+            if self.extra_headers
+            else set()
+        )
         self.__initiate_browser_options__()
 
     def __initiate_browser_options__(self):
@@ -301,7 +307,11 @@ class DynamicSession:
             raise RuntimeError("Context manager has been closed")
 
         final_response = None
-        referer = generate_convincing_referer(url) if self.google_search else None
+        referer = (
+            generate_convincing_referer(url)
+            if (self.google_search and "referer" not in self._headers_keys)
+            else None
+        )
 
         def handle_response(finished_response: SyncPlaywrightResponse):
             nonlocal final_response
@@ -554,7 +564,11 @@ class AsyncDynamicSession(DynamicSession):
             raise RuntimeError("Context manager has been closed")
 
         final_response = None
-        referer = generate_convincing_referer(url) if self.google_search else None
+        referer = (
+            generate_convincing_referer(url)
+            if (self.google_search and "referer" not in self._headers_keys)
+            else None
+        )
 
         async def handle_response(finished_response: AsyncPlaywrightResponse):
             nonlocal final_response