diff --git a/internal/domain/list.go b/internal/domain/list.go
index 34538ba..9e353df 100644
--- a/internal/domain/list.go
+++ b/internal/domain/list.go
@@ -37,7 +37,7 @@ type ListRepository interface {
 	AddUserToList(ctx context.Context, listID string, userID string) error
 	RemoveUserFromList(ctx context.Context, listID string, userID string) error
 	IsUserInList(ctx context.Context, listID string, userID string) (bool, error)
-	IsUserInListByListItem(ctx context.Context, listItemID string, userID string) (bool, error)
+	IsUserInListByItemID(ctx context.Context, listItemID string, userID string) (bool, error)
 	CreateListItem(ctx context.Context, listID string, title string) (*ListItem, error)
 	UpdateListItem(ctx context.Context, listItemID string, title string, isCompleted bool) error
 }
diff --git a/internal/repository/list.go b/internal/repository/list.go
index 1d5faa6..e15af0c 100644
--- a/internal/repository/list.go
+++ b/internal/repository/list.go
@@ -96,7 +96,7 @@ func (r *ListRepo) IsUserInList(ctx context.Context, listID string, userID strin
 	return cnt > 0, nil
 }
 
-func (r *ListRepo) IsUserInListByListItem(ctx context.Context, listItemID string, userID string) (bool, error) {
+func (r *ListRepo) IsUserInListByItemID(ctx context.Context, listItemID string, userID string) (bool, error) {
 	var cnt int
 
 	err := r.db.QueryRowContext(ctx,