diff --git a/src/registration/Registration.Common/RegistrationValidation.cs b/src/registration/Registration.Common/RegistrationValidation.cs
index ae53640c04..c3b0453615 100644
--- a/src/registration/Registration.Common/RegistrationValidation.cs
+++ b/src/registration/Registration.Common/RegistrationValidation.cs
@@ -79,7 +79,7 @@ public static void ValidateData(this RegistrationData data)
                 nameof(data.UniqueIds));
         }
 
-        var invalidUniqueIdentifiersValues = data.UniqueIds.Where(uniqueId => IsInvalidValueByUniqueIdentifier(uniqueId.Value, uniqueId.UniqueIdentifierId))
+        data.UniqueIds.Where(uniqueId => IsInvalidValueByUniqueIdentifier(uniqueId.Value, uniqueId.UniqueIdentifierId))
             .IfAny(invalidUniqueIdentifiersValues =>
                 {
                     throw new ControllerArgumentException(