diff --git a/backend/emm-sale/src/main/java/com/emmsale/member/exception/MemberExceptionType.java b/backend/emm-sale/src/main/java/com/emmsale/member/exception/MemberExceptionType.java
index 9a98bb11a..f1fbb65de 100644
--- a/backend/emm-sale/src/main/java/com/emmsale/member/exception/MemberExceptionType.java
+++ b/backend/emm-sale/src/main/java/com/emmsale/member/exception/MemberExceptionType.java
@@ -22,7 +22,7 @@ public enum MemberExceptionType implements BaseExceptionType {
 
   ALREADY_EXIST_ACTIVITY(
       HttpStatus.BAD_REQUEST,
-      "요청한 activity id는 이미 존재합니다."
+      "이미 등록된 활동입니다."
   ),
 
   NULL_DESCRIPTION(