diff --git a/udemy/compat.py b/udemy/compat.py
index e64d9f9..8fb847c 100644
--- a/udemy/compat.py
+++ b/udemy/compat.py
@@ -52,12 +52,12 @@
 SUBSCRIBED_COURSES = "https://www.udemy.com/api-2.0/users/me/subscribed-courses/?ordering=-last_accessed&fields[course]=id,url&page=1&page_size=12"
 HEADERS = {
     "Origin": "www.udemy.com",
-    "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:66.0) Gecko/20100101 Firefox/66.0",
-    "Referer": "https://www.udemy.com/join/login-popup/",
+    "User-Agent": "Mozilla/5.0 (Windows NT 6.3; Win64; x64; rv:81.0) Gecko/20100101 Firefox/81.0",
+    # "Referer": "https://www.udemy.com/join/login-popup/",
     "Accept": "*/*",
-    "Accept-Language": "en-US,en;q=0.5",
-    "Accept-Encoding": "gzip, deflate, br",
-    "Connection": "keep-alive",
+    # "Accept-Language": "en-US,en;q=0.5",
+    "Accept-Encoding": None,
+    # "Connection": "keep-alive",
 }
 
 
diff --git a/udemy/extract.py b/udemy/extract.py
index ae4de14..f4552f9 100644
--- a/udemy/extract.py
+++ b/udemy/extract.py
@@ -306,7 +306,7 @@ def _extract_course_info(self, url):
             sys.exit(0)
 
     def _extract_large_course_content(self, url):
-        url = url.replace("10000", "300") if url.endswith("10000") else url
+        url = url.replace("10000", "50") if url.endswith("10000") else url
         try:
             data = self._session._get(url).json()
         except conn_error as error:
@@ -316,6 +316,7 @@ def _extract_large_course_content(self, url):
         else:
             _next = data.get("next")
             while _next:
+                logger.progress(msg="Downloading course information .. ")
                 try:
                     resp = self._session._get(_next).json()
                 except conn_error as error: