1 files changed, 9 insertions, 1 deletions
diff --git a/lib/gitlab/import_export/members_mapper.rb b/lib/gitlab/import_export/members_mapper.rb
index d2e27388b51..68d484d5087 100644
--- a/lib/gitlab/import_export/members_mapper.rb
+++ b/lib/gitlab/import_export/members_mapper.rb
@@ -9,7 +9,7 @@ module Gitlab
         @importable = importable
 
         # This needs to run first, as second call would be from #map
-        # which means project members already exist.
+        # which means Project/Group members already exist.
         ensure_default_member!
       end
 
@@ -47,6 +47,8 @@ module Gitlab
       end
 
       def ensure_default_member!
+        return if user_already_member?
+
         @importable.members.destroy_all # rubocop: disable DestroyAll
 
         relation_class.create!(user: @user, access_level: relation_class::MAINTAINER, source_id: @importable.id, importing: true)
@@ -54,6 +56,12 @@ module Gitlab
         raise e, "Error adding importer user to #{@importable.class} members. #{e.message}"
       end
 
+      def user_already_member?
+        member = @importable.members&.first
+
+        member&.user == @user && member.access_level >= relation_class::MAINTAINER
+      end
+
       def add_team_member(member, existing_user = nil)
         member['user'] = existing_user