diff --git a/extractor/src/main/java/org/schabi/newpipe/extractor/services/niconico/NiconicoService.java b/extractor/src/main/java/org/schabi/newpipe/extractor/services/niconico/NiconicoService.java
index 52d120ae..b35bcf77 100644
--- a/extractor/src/main/java/org/schabi/newpipe/extractor/services/niconico/NiconicoService.java
+++ b/extractor/src/main/java/org/schabi/newpipe/extractor/services/niconico/NiconicoService.java
@@ -135,7 +135,7 @@ static public Map<String, String> getWebSocketHeaders(){
 
     static public Map<String, List<String>> getStreamSourceHeaders(String accessKey){
         Map<String, List<String>> headers = new HashMap<>();
-        headers.put("User-Agent", Collections.singletonList("Mozilla/5.0 (X11; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/119.0"));
+        headers.put("User-Agent", Collections.singletonList("Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)"));
         headers.put("Accept", Collections.singletonList("*/*"));
         headers.put("Accept-Language", Collections.singletonList("en-US,en;q=0.5"));
         headers.put("Accept-Encoding", Collections.singletonList("gzip, deflate, br"));
@@ -158,7 +158,7 @@ static public Map<String, List<String>> getStreamSourceHeaders(String accessKey)
 
     static public Map<String, List<String>> getPreFetchStreamHeaders(){
         Map<String, List<String>> headers = new HashMap<>();
-        headers.put("User-Agent", Collections.singletonList("Mozilla/5.0 (X11; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/119.0"));
+        headers.put("User-Agent", Collections.singletonList("Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)"));
         headers.put("Accept", Collections.singletonList("*/*"));
         headers.put("Accept-Language", Collections.singletonList("en-US,en;q=0.5"));
         headers.put("Accept-Encoding", Collections.singletonList("gzip, deflate, br"));
@@ -178,7 +178,7 @@ static public Map<String, List<String>> getPreFetchStreamHeaders(){
 
     static public Map<String, List<String>> getStreamHeaders(String cookie){
         HashMap<String, List<String>> headers = new HashMap<>();
-        headers.put("User-Agent", Collections.singletonList("Mozilla/5.0 (X11; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/119.0"));
+        headers.put("User-Agent", Collections.singletonList("Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)"));
         headers.put("Accept", Collections.singletonList("*/*"));
         headers.put("Accept-Language", Collections.singletonList("en-US,en;q=0.5"));
         headers.put("Accept-Encoding", Collections.singletonList("gzip, deflate, br"));