diff --git a/backend/core/src/main/java/site/timecapsulearchive/core/domain/member_group/repository/groupInviteRepository/GroupInviteRepository.java b/backend/core/src/main/java/site/timecapsulearchive/core/domain/member_group/repository/groupInviteRepository/GroupInviteRepository.java
index e429c0346..009600258 100644
--- a/backend/core/src/main/java/site/timecapsulearchive/core/domain/member_group/repository/groupInviteRepository/GroupInviteRepository.java
+++ b/backend/core/src/main/java/site/timecapsulearchive/core/domain/member_group/repository/groupInviteRepository/GroupInviteRepository.java
@@ -12,8 +12,17 @@ public interface GroupInviteRepository extends Repository<GroupInvite, Long>,
 
     void save(GroupInvite groupInvite);
 
-    int deleteGroupInviteByGroupIdAndGroupOwnerIdAndGroupMemberId(Long groupId, Long groupOwnerId,
-        Long groupMemberId);
+    @Query("delete from GroupInvite gi "
+        + "where gi.group.id =:groupId "
+        + "and gi.groupOwner.id =:groupOwnerId "
+        + "and gi.groupMember.id =:groupMemberId"
+    )
+    @Modifying
+    int deleteGroupInviteByGroupIdAndGroupOwnerIdAndGroupMemberId(
+        @Param("groupId") Long groupId,
+        @Param("groupOwnerId") Long groupOwnerId,
+        @Param("groupMemberId") Long groupMemberId
+    );
 
     @Query("delete from GroupInvite gi where gi.id in :groupInviteIds")
     @Modifying
diff --git a/backend/core/src/main/java/site/timecapsulearchive/core/domain/member_group/service/MemberGroupCommandService.java b/backend/core/src/main/java/site/timecapsulearchive/core/domain/member_group/service/MemberGroupCommandService.java
index 727a73fe8..5f9e3bbc1 100644
--- a/backend/core/src/main/java/site/timecapsulearchive/core/domain/member_group/service/MemberGroupCommandService.java
+++ b/backend/core/src/main/java/site/timecapsulearchive/core/domain/member_group/service/MemberGroupCommandService.java
@@ -75,7 +75,11 @@ public GroupAcceptNotificationDto acceptGroupInvite(final Long memberId, final L
         final Long totalGroupMemberCount = groupRepository.getTotalGroupMemberCount(groupId)
             .orElseThrow(GroupNotFoundException::new);
 
+        final Long groupOwnerId = memberGroupRepository.findGroupOwnerId(groupId)
+            .orElseThrow(GroupNotFoundException::new);
+
         if (totalGroupMemberCount == 30) {
+            deleteGroupInvite(memberId, groupId, groupOwnerId);
             throw new GroupMemberCountLimitException();
         }
 
@@ -83,22 +87,23 @@ public GroupAcceptNotificationDto acceptGroupInvite(final Long memberId, final L
             .orElseThrow(MemberNotFoundException::new);
         final Group group = groupRepository.findGroupById(groupId)
             .orElseThrow(GroupNotFoundException::new);
-        final Long groupOwnerId = memberGroupRepository.findGroupOwnerId(groupId)
-            .orElseThrow(GroupNotFoundException::new);
 
         transactionTemplate.executeWithoutResult(status -> {
-            final int isDenyRequest = groupInviteRepository.deleteGroupInviteByGroupIdAndGroupOwnerIdAndGroupMemberId(
-                groupId, groupOwnerId, memberId);
-            if (isDenyRequest != 1) {
-                throw new GroupInviteNotFoundException();
-            }
-
+            deleteGroupInvite(memberId, groupId, groupOwnerId);
             memberGroupRepository.save(MemberGroup.createGroupMember(groupMember, group));
         });
 
         return new GroupAcceptNotificationDto(groupMember.getNickname(), groupOwnerId);
     }
 
+    private void deleteGroupInvite(final Long memberId, final Long groupId, final Long groupOwnerId) {
+        final int isDenyRequest = groupInviteRepository.deleteGroupInviteByGroupIdAndGroupOwnerIdAndGroupMemberId(
+            groupId, groupOwnerId, memberId);
+        if (isDenyRequest != 1) {
+            throw new GroupInviteNotFoundException();
+        }
+    }
+
     /**
      * 사용자는 사용자가 속한 그룹을 탈퇴한다.
      * <br><u><b>주의</b></u> - 그룹 탈퇴 시 아래 조건에 해당하면 예외가 발생한다.
diff --git a/backend/core/src/test/java/site/timecapsulearchive/core/domain/member_group/service/MemberGroupCommandServiceTest.java b/backend/core/src/test/java/site/timecapsulearchive/core/domain/member_group/service/MemberGroupCommandServiceTest.java
index 3a56a4110..a3306a721 100644
--- a/backend/core/src/test/java/site/timecapsulearchive/core/domain/member_group/service/MemberGroupCommandServiceTest.java
+++ b/backend/core/src/test/java/site/timecapsulearchive/core/domain/member_group/service/MemberGroupCommandServiceTest.java
@@ -260,6 +260,9 @@ class MemberGroupCommandServiceTest {
         Long groupId = 1L;
 
         given(groupRepository.getTotalGroupMemberCount(groupId)).willReturn(Optional.of(30L));
+        given(memberGroupRepository.findGroupOwnerId(groupId)).willReturn(Optional.of(2L));
+        given(groupInviteRepository.deleteGroupInviteByGroupIdAndGroupOwnerIdAndGroupMemberId(
+            groupId, 2L, memberId)).willReturn(1);
 
         assertThatThrownBy(
             () -> groupMemberCommandService.acceptGroupInvite(memberId, groupId))