diff --git a/app.js b/app.js
index f4c2a3e..cf5c8f1 100644
--- a/app.js
+++ b/app.js
@@ -170,7 +170,10 @@ async function main() {
 
     for (const tag of userTags[0]) {
       const memberEntry = Object.entries(balance).find(([_, info]) => info.memberInfo.emoji === tag);
-      rowData.push(memberEntry ? memberEntry[1].balance : '-');
+      const balanceValue = memberEntry ?
+          String(memberEntry[1].balance).replace('.', ',') :
+          '-';
+      rowData.push(balanceValue);
     }
 
     // Update the sheet with the row data