diff --git a/server/scripts/automatedAddToDb.js b/server/scripts/automatedAddToDb.js
index df329dd..e044d4e 100644
--- a/server/scripts/automatedAddToDb.js
+++ b/server/scripts/automatedAddToDb.js
@@ -3,8 +3,11 @@ const { sendSentryMessage } = require('@utils/sentry')
 const db = require('../models/index')
 const { processEntries } = require('./processEntries')
 const attainmentsToSisu = require('../utils/sendToSisu')
+const { filterDuplicateMatches } = require('../utils/earlierCompletions')
+
+const automatedAddToDb = async (allMatches, course, batchId, sendToSisu = false) => {
+  const matches = filterDuplicateMatches(allMatches)
 
-const automatedAddToDb = async (matches, course, batchId, sendToSisu = false) => {
   const transaction = await db.sequelize.transaction()
 
   if (!matches.length) {
diff --git a/server/utils/earlierCompletions.js b/server/utils/earlierCompletions.js
index dc211ec..4e02243 100644
--- a/server/utils/earlierCompletions.js
+++ b/server/utils/earlierCompletions.js
@@ -174,4 +174,15 @@ const advancedFound = (advancedAttainments, oldBaiAttainments, studentNumber, co
   return false
 }
 
-module.exports = { isImprovedGrade, identicalCompletionFound, earlierBaiCompletionFound, advancedFound }
+const filterDuplicateMatches = (matches) => {
+  const uniqueMatches = []
+  matches.forEach((match) => {
+    if (!uniqueMatches.some((m) => m.studentNumber === match.studentNumber && m.courseId === match.courseId)) {
+      uniqueMatches.push(match)
+    }
+  })
+
+  return uniqueMatches
+}
+
+module.exports = { isImprovedGrade, identicalCompletionFound, earlierBaiCompletionFound, advancedFound, filterDuplicateMatches }