diff --git a/back/src/main/java/com/back/domain/post/comment/entity/PostComment.java b/back/src/main/java/com/back/domain/post/comment/entity/PostComment.java
index d58bb2ff..df3dab48 100644
--- a/back/src/main/java/com/back/domain/post/comment/entity/PostComment.java
+++ b/back/src/main/java/com/back/domain/post/comment/entity/PostComment.java
@@ -34,7 +34,7 @@ public Boolean isAuthor( Member member) {
     }
 
     public String getAuthorName() {
-        return member.getName();
+        return member.getNickname();
     }
 
     public Long getAuthorId() {