diff --git a/src/stores/messages.ts b/src/stores/messages.ts
index cb2fcce..4362d2c 100644
--- a/src/stores/messages.ts
+++ b/src/stores/messages.ts
@@ -23,12 +23,12 @@ export const setMessages = (messages: TicketMessage[]) => useMessageStore.setSta
 
 export const addOrUpdateMessage = (newMessage: TicketMessage) => {
     const state = useMessageStore.getState();
-    const ticketIndex = state.messages.findIndex(message => message.id === newMessage.id);
+    const messageIndex = state.messages.findIndex(message => message.id === newMessage.id);
 
-    if (ticketIndex === -1) {
+    if (messageIndex === -1) {
         return useMessageStore.setState({ messages: [...state.messages, newMessage] });
     }
 
-    const newMessages = state.messages.slice().splice(ticketIndex, 1, newMessage);
+    const newMessages = state.messages.slice().splice(messageIndex, 1, newMessage);
     useMessageStore.setState({ messages: newMessages });
 };
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