diff --git a/server/handle_repo_describe_repo.go b/server/handle_repo_describe_repo.go
index 5665e0a..8cfddc6 100644
--- a/server/handle_repo_describe_repo.go
+++ b/server/handle_repo_describe_repo.go
@@ -69,7 +69,7 @@ func (s *Server) handleDescribeRepo(e echo.Context) error {
 		return helpers.ServerError(e, nil)
 	}
 
-	var collections []string
+	var collections []string = make([]string, 0)
 	for _, r := range records {
 		collections = append(collections, r.Nsid)
 	}