diff --git a/TeachingRecordSystem/src/TeachingRecordSystem.Core/Services/WorkforceData/TpsCsvExtractProcessor.cs b/TeachingRecordSystem/src/TeachingRecordSystem.Core/Services/WorkforceData/TpsCsvExtractProcessor.cs
index 7dc474c245..2fc37e587f 100644
--- a/TeachingRecordSystem/src/TeachingRecordSystem.Core/Services/WorkforceData/TpsCsvExtractProcessor.cs
+++ b/TeachingRecordSystem/src/TeachingRecordSystem.Core/Services/WorkforceData/TpsCsvExtractProcessor.cs
@@ -51,7 +51,7 @@ WITH unique_establishments AS (
                         establishment_name,
                         establishment_type_code,
                         postcode,
-                        ROW_NUMBER() OVER (PARTITION BY la_code, establishment_number, CASE WHEN establishment_number IS NULL THEN postcode ELSE NULL END ORDER BY translate(establishment_status_code::text, '1234', '1324')) as row_number
+                        ROW_NUMBER() OVER (PARTITION BY la_code, establishment_number, CASE WHEN establishment_number IS NULL THEN postcode ELSE NULL END ORDER BY translate(establishment_status_code::text, '1234', '1324'), urn desc) as row_number
                     FROM
                         establishments) e
                     WHERE
diff --git a/TeachingRecordSystem/tests/TeachingRecordSystem.Core.Tests/Services/WorkforceData/TpsCsvExtractProcessorTests.cs b/TeachingRecordSystem/tests/TeachingRecordSystem.Core.Tests/Services/WorkforceData/TpsCsvExtractProcessorTests.cs
index 6e9e7037b8..d3d3ca9762 100644
--- a/TeachingRecordSystem/tests/TeachingRecordSystem.Core.Tests/Services/WorkforceData/TpsCsvExtractProcessorTests.cs
+++ b/TeachingRecordSystem/tests/TeachingRecordSystem.Core.Tests/Services/WorkforceData/TpsCsvExtractProcessorTests.cs
@@ -143,16 +143,14 @@ public async Task ProcessNewEmploymentHistory_WithValidData_OnlyMatchesToLaCodeA
         var laCode1 = "322";
         var establishmentNumber1 = "4322";
         var postcode1 = Faker.Address.UkPostCode();
-        var laCode2 = "323";
         var establishmentNumber2 = "4323";
         var postcode2 = Faker.Address.UkPostCode();
-        var nonHigherEducationEstablishment1 = await TestData.CreateEstablishment(laCode1, establishmentNumber: establishmentNumber1, postcode: postcode1);
-        var higherEductionEstablishment1 = await TestData.CreateEstablishment(laCode1, establishmentNumber: establishmentNumber1, postcode: postcode1, isHigherEducationInstitution: true);
-        var higherEductionEstablishment2 = await TestData.CreateEstablishment(laCode2, postcode: postcode2, isHigherEducationInstitution: true);
+        var nonHigherEducationEstablishment = await TestData.CreateEstablishment(laCode1, establishmentNumber: establishmentNumber1, postcode: postcode1);
+        var higherEductionEstablishment = await TestData.CreateEstablishment(laCode1, postcode: postcode2, isHigherEducationInstitution: true);
         await TestData.CreateTpsCsvExtract(
             b => b.WithTpsCsvExtractId(tpsCsvExtractId)
                 .WithItem(person!.Trn!, laCode1, establishmentNumber1, postcode1, new DateOnly(2023, 02, 03))
-                .WithItem(person!.Trn!, laCode2, establishmentNumber2, postcode2, new DateOnly(2023, 02, 03)));
+                .WithItem(person!.Trn!, laCode1, establishmentNumber2, postcode2, new DateOnly(2023, 04, 05)));
 
         // Act
         var processor = new TpsCsvExtractProcessor(
@@ -166,8 +164,8 @@ await TestData.CreateTpsCsvExtract(
         Assert.All(items, i => Assert.Equal(TpsCsvExtractItemResult.ValidDataAdded, i.Result));
         var employmentHistory = await dbContext.PersonEmployments.Where(e => e.PersonId == person.PersonId).ToListAsync();
         Assert.Equal(2, employmentHistory.Count);
-        Assert.Contains(nonHigherEducationEstablishment1.EstablishmentId, employmentHistory.Select(pe => pe.EstablishmentId));
-        Assert.Contains(higherEductionEstablishment2.EstablishmentId, employmentHistory.Select(pe => pe.EstablishmentId));
+        Assert.Contains(nonHigherEducationEstablishment.EstablishmentId, employmentHistory.Select(pe => pe.EstablishmentId));
+        Assert.Contains(higherEductionEstablishment.EstablishmentId, employmentHistory.Select(pe => pe.EstablishmentId));
     }
 
     [Fact]