diff --git a/chatserver/templates/index.html b/chatserver/templates/index.html
index b2dcb17..0e25206 100644
--- a/chatserver/templates/index.html
+++ b/chatserver/templates/index.html
@@ -249,7 +249,7 @@
                 chatDiv.innerHTML = "";
 
                 // Fetch message history for the new chat room
-                fetch(`/get_history?chat_room=${encodeURIComponent(chatRoom)}`)
+                fetch(`${serverBaseUrl}/get_history?chat_room=${encodeURIComponent(chatRoom)}`)
                     .then(response => {
                         if (!response.ok) {
                             throw new Error(`HTTP error! status: ${response.status}`);