diff --git a/app/services/survey_responses_data_loader.rb b/app/services/survey_responses_data_loader.rb
index 5e663050..03f1e250 100644
--- a/app/services/survey_responses_data_loader.rb
+++ b/app/services/survey_responses_data_loader.rb
@@ -110,10 +110,11 @@ class SurveyResponsesDataLoader
     end
 
     if row.respondent_type == :parent
-      unknown_housing = Housing.find_by(designation: row.housing).id
-      parent = Parent.find_or_create_by(response_id: row.response_id, housing_id: unknown_housing)
+      parent = Parent.find_or_create_by(response_id: row.response_id)
       parent.number_of_children = row.number_of_children
       tmp_languages = row.languages.map { |language| languages[language] }
+      parent.housing_id = Housing.find_by(designation: row.housing).id
+      parent.languages.delete_all
       parent.languages.concat(tmp_languages)
       parent.housing = Housing.find_by(designation: row.housing)
       parent.save