diff --git a/src/views/ChatHistory.jsx b/src/views/ChatHistory.jsx
index 5073bed..3cc7620 100644
--- a/src/views/ChatHistory.jsx
+++ b/src/views/ChatHistory.jsx
@@ -394,7 +394,7 @@ function ChatHistory() {
                         }
                       : {})}
                     renderAddCmp={
-                      <div className='border-dashed border-0 border-t border-slate-300 text-slate-600 space-x-2 emoji'>
+                      <div key={'msg-prefix'} className='border-dashed border-0 border-t border-slate-300 text-slate-600 space-x-2 emoji'>
                         <span
                           className={`p-1 rounded-b ${message.msg_direction === 'outbound' ? 'text-white' : ''} `}
                           style={{ backgroundColor: message.msg_direction === 'outbound' ? stringToColour(message.senderName) : 'unset' }}>