diff --git a/public/script.js b/public/script.js
index c64f10f7b..d06fc90ed 100644
--- a/public/script.js
+++ b/public/script.js
@@ -1879,8 +1879,12 @@ export function messageFormatting(mes, ch_name, isSystem, isUser, messageId) {
     }
 
     if (Number(messageId) === 0 && !isSystem && !isUser) {
+        const mesBeforeReplace = mes;
+        const chatMessage = chat[messageId];
         mes = substituteParams(mes, undefined, ch_name);
-        chat[messageId] && (chat[messageId].mes = mes);
+        if (chatMessage && chatMessage.mes === mesBeforeReplace && chatMessage.extra?.display_text !== mesBeforeReplace) {
+            chatMessage.mes = mes;
+        }
     }
 
     mesForShowdownParse = mes;