diff --git a/src/main/java/com/daramg/server/post/dto/PostResponseDto.java b/src/main/java/com/daramg/server/post/dto/PostResponseDto.java
index b5c8e5c..0501588 100644
--- a/src/main/java/com/daramg/server/post/dto/PostResponseDto.java
+++ b/src/main/java/com/daramg/server/post/dto/PostResponseDto.java
@@ -57,6 +57,9 @@ private static ComposerSummary extractPrimaryComposer(Post post) {
         if (post instanceof CurationPost curationPost && curationPost.getPrimaryComposer() != null) {
             return ComposerSummary.from(curationPost.getPrimaryComposer());
         }
+        if (post instanceof StoryPost storyPost && storyPost.getPrimaryComposer() != null) {
+            return ComposerSummary.from(storyPost.getPrimaryComposer());
+        }
         return null;
     }