diff --git a/src/updater/updateCoursesAndTeacherFeedbackTargets/utils.js b/src/updater/updateCoursesAndTeacherFeedbackTargets/utils.js
index e38335c..d86c580 100644
--- a/src/updater/updateCoursesAndTeacherFeedbackTargets/utils.js
+++ b/src/updater/updateCoursesAndTeacherFeedbackTargets/utils.js
@@ -33,7 +33,7 @@ const getFeedbackCount = async (courseRealisationId) => {
   return feedbackCount
 }
 
-export const getLanguageValue = (values, preferred) => {
+const getLanguageValue = (values, preferred) => {
   if (!values) {
     return null
   }