diff --git a/src/Tgstation.Server.Api/ApiHeaders.cs b/src/Tgstation.Server.Api/ApiHeaders.cs
index 9e0b9d7772..00b7733715 100644
--- a/src/Tgstation.Server.Api/ApiHeaders.cs
+++ b/src/Tgstation.Server.Api/ApiHeaders.cs
@@ -320,6 +320,7 @@ namespace Tgstation.Server.Api
 								Password = String.Concat(basicAuthSplits.Skip(1));
 								break;
 							default:
+								AddError(HeaderErrorTypes.AuthorizationInvalid, "Invalid authentication scheme!");
 								break;
 						}
 					}