diff --git a/src/Altinn.Profile/UseCases/ContactDetailsRetriever.cs b/src/Altinn.Profile/UseCases/ContactDetailsRetriever.cs
index 122e97b..f352262 100644
--- a/src/Altinn.Profile/UseCases/ContactDetailsRetriever.cs
+++ b/src/Altinn.Profile/UseCases/ContactDetailsRetriever.cs
@@ -86,6 +86,6 @@ private Result<ContactDetailsLookupResult, bool> MapToContactDetailsLookupResult
 
         var matchedContactDetails = lookupResult.MatchedPersonContactDetails?.Select(MapToContactDetails).ToImmutableList();
 
-        return new ContactDetailsLookupResult(matchedContactDetails, lookupResult?.UnmatchedNationalIdentityNumbers);
+        return new ContactDetailsLookupResult(matchedContactDetails, lookupResult.UnmatchedNationalIdentityNumbers);
     }
 }