diff --git a/src/main/java/com/cozymate/cozymate_server/domain/roomlog/service/RoomLogCommandService.java b/src/main/java/com/cozymate/cozymate_server/domain/roomlog/service/RoomLogCommandService.java
index 66a09138..0110ec85 100644
--- a/src/main/java/com/cozymate/cozymate_server/domain/roomlog/service/RoomLogCommandService.java
+++ b/src/main/java/com/cozymate/cozymate_server/domain/roomlog/service/RoomLogCommandService.java
@@ -37,7 +37,7 @@ public void addRoomLogFromTodo(Todo todo) {
             roomLogRepository.delete(existingLog.get());
         }
         if (Boolean.TRUE.equals(todo.isCompleted()) && existingLog.isEmpty()) {
-            String who = "{" + todo.getMate().getMember().getName() + "}님이 ";
+            String who = "{" + todo.getMate().getMember().getNickname() + "}님이 ";
             String what = "[" + todo.getContent() + "]을/를 ";
             String finish = DEFAULT_FINAL_MESSAGE;