diff --git a/lib/tasks/sync_outer_repo.rake b/lib/tasks/sync_outer_repo.rake
index 40b9b6615..6f9ba2458 100644
--- a/lib/tasks/sync_outer_repo.rake
+++ b/lib/tasks/sync_outer_repo.rake
@@ -12,7 +12,7 @@ namespace :sync_outer_repo do
         project = user.projects.find_by(identifier: row[4])
         unless project.present?
           p_category = ProjectCategory.find_or_create_by(name: row[6])
-          p_language = ProjectLanguage.find_or_create_by(name: row[7].split("/")[0])
+          p_language = ProjectLanguage.find_or_create_by(name: row[7].to_s.split("/")[0]) if row[7]
           p_license = License.find_by(name: row[8])
 
           mirror_params = {
@@ -21,7 +21,7 @@ namespace :sync_outer_repo do
             description: row[9],
             repository_name: row[4],
             project_category_id: p_category.id,
-            project_language_id: p_language.id, 
+            project_language_id: p_language&.id,
             clone_addr: row[10]
           }
           Projects::MigrateService.call(user, mirror_params)