diff --git a/src/Services/Authentication/Implementation/AuthenticationService.cs b/src/Services/Authentication/Implementation/AuthenticationService.cs
index a1711ac4..a9f923c1 100644
--- a/src/Services/Authentication/Implementation/AuthenticationService.cs
+++ b/src/Services/Authentication/Implementation/AuthenticationService.cs
@@ -66,7 +66,7 @@ public async Task<string> GenerateTokenForOrg(string org, string? orgNumber = nu
 
         List<Claim> claims = new List<Claim>();
         string issuer = _generalSettings.Hostname;
-        claims.Add(new Claim(AltinnCoreClaimTypes.Org, org.ToLower(), ClaimValueTypes.String, issuer));
+        claims.Add(new Claim(AltinnCoreClaimTypes.Org, org, ClaimValueTypes.String, issuer));
         // 3 is the default level for altinn tokens form Maskinporten
         claims.Add(new Claim(AltinnCoreClaimTypes.AuthenticationLevel, "3", ClaimValueTypes.Integer32, issuer));
         claims.Add(new Claim("urn:altinn:scope", "altinn:serviceowner/instances.read", ClaimValueTypes.String, issuer));