diff --git a/src/Eurofurence.App.Server.Web/Identity/ApiKeyAuthenticationHandler.cs b/src/Eurofurence.App.Server.Web/Identity/ApiKeyAuthenticationHandler.cs
index ac0f387..66896a8 100644
--- a/src/Eurofurence.App.Server.Web/Identity/ApiKeyAuthenticationHandler.cs
+++ b/src/Eurofurence.App.Server.Web/Identity/ApiKeyAuthenticationHandler.cs
@@ -28,7 +28,8 @@ protected override Task<AuthenticateResult> HandleAuthenticateAsync()
 
             var claims = new List<Claim>
             {
-                new Claim(ClaimTypes.Name, apiKeyOptions.PrincipalName)
+                new Claim(ClaimTypes.Name, apiKeyOptions.PrincipalName),
+                new Claim("sub", apiKeyOptions.PrincipalName)
             };
 
             foreach (var role in apiKeyOptions.Roles)