diff --git a/src/main/java/com/umc/naoman/domain/photo/elasticsearch/service/PhotoEsServiceImpl.java b/src/main/java/com/umc/naoman/domain/photo/elasticsearch/service/PhotoEsServiceImpl.java
index 07e3231..182a63f 100644
--- a/src/main/java/com/umc/naoman/domain/photo/elasticsearch/service/PhotoEsServiceImpl.java
+++ b/src/main/java/com/umc/naoman/domain/photo/elasticsearch/service/PhotoEsServiceImpl.java
@@ -37,7 +37,7 @@ public Page<PhotoEs> getAllPhotoEsListByShareGroupId(Long shareGroupId, Member m
         final ShareGroup shareGroup = shareGroupService.findShareGroup(shareGroupId);
         if (shareGroup.getImage() == null) {
             photoEsList.stream()
-                    .filter(photoEs -> photoEs.getFaceTag().size() >= shareGroup.getMemberCount())
+                    .filter(photoEs -> photoEs.getFaceTag().size() >= shareGroup.getMemberCount() / 2)
                     .findFirst()
                     .ifPresent(photoEs -> shareGroup.updateImage(photoEs.getUrl()));
         }