diff --git a/CHANGELOG.md b/CHANGELOG.md
index ebcf4d06..56f9f57b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@
 
 ## Changed
 - used default empty template instead of en-US
+- demo server address changed
 
 ## 9.3.1
 ## Changed
diff --git a/lib/appconfig.php b/lib/appconfig.php
index 76f2e5a0..1a32c74f 100644
--- a/lib/appconfig.php
+++ b/lib/appconfig.php
@@ -1422,7 +1422,7 @@ public function getMimeType($ext) {
 	 * DEMO DATA
 	 */
 	private $DEMO_PARAM = [
-		"ADDR" => "https://onlinedocs.onlyoffice.com/",
+		"ADDR" => "https://onlinedocs.docs.onlyoffice.com/",
 		"HEADER" => "AuthorizationJWT",
 		"SECRET" => "sn2puSUF7muF5Jas",
 		"TRIAL" => 30