diff --git a/TramsDataApi/Factories/MISEstablishmentResponseFactory.cs b/TramsDataApi/Factories/MISEstablishmentResponseFactory.cs
index 622651aa8..267a6347b 100644
--- a/TramsDataApi/Factories/MISEstablishmentResponseFactory.cs
+++ b/TramsDataApi/Factories/MISEstablishmentResponseFactory.cs
@@ -58,7 +58,7 @@ public static MISEstablishmentResponse Create(MisEstablishments misEstablishment
                 LAESTABAtTimeOfLastFullInspection = misEstablishments.LaestabAtTimeOfLatestFullInspection.ToString(),
                 SchoolNameAtTimeOfLastFullInspection = misEstablishments.SchoolNameAtTimeOfLatestFullInspection,
                 SchoolTypeAtTimeOfLastFullInspection = misEstablishments.SchoolTypeAtTimeOfLatestFullInspection,
-                OverallEffectiveness = misEstablishments.OverallEffectiveness.ToString(),
+                OverallEffectiveness = misEstablishments.OverallEffectiveness,
                 CategoryOfConcern = misEstablishments.CategoryOfConcern,
                 QualityOfEducation = misEstablishments.QualityOfEducation.ToString(),
                 BehaviourAndAttitudes = misEstablishments.BehaviourAndAttitudes.ToString(),