diff --git a/main/src/main/java/org/sopt/makers/crew/main/post/v2/dto/response/PostDetailBaseDto.java b/main/src/main/java/org/sopt/makers/crew/main/post/v2/dto/response/PostDetailBaseDto.java
index 5fb3bef5..df42a638 100644
--- a/main/src/main/java/org/sopt/makers/crew/main/post/v2/dto/response/PostDetailBaseDto.java
+++ b/main/src/main/java/org/sopt/makers/crew/main/post/v2/dto/response/PostDetailBaseDto.java
@@ -37,6 +37,7 @@ public class PostDetailBaseDto {
 	private final PostWriterInfoDto user;
 
 	@Schema(description = "게시글 좋아요 갯수", example = "20")
+	@NotNull
 	private final int likeCount;
 
 	//* 본인이 좋아요를 눌렀는지 여부