1 files changed, 2 insertions, 0 deletions
diff --git a/code/api/Endpoints/EndpointBase.cs b/code/api/Endpoints/EndpointBase.cs
index a16f40f..320ce8d 100644
--- a/code/api/Endpoints/EndpointBase.cs
+++ b/code/api/Endpoints/EndpointBase.cs
@@ -8,6 +8,7 @@ public class EndpointBase : ControllerBase
 
     [NonAction]
     protected ActionResult KnownProblem(string title = default, string subtitle = default, Dictionary<string, string[]> errors = default) {
+        HttpContext.Response.Headers.Add(AppHeaders.IS_KNOWN_PROBLEM, "1");
         return BadRequest(new KnownProblemModel {
             Title = title,
             Subtitle = subtitle,
@@ -18,6 +19,7 @@ public class EndpointBase : ControllerBase
 
     [NonAction]
     protected ActionResult KnownProblem(KnownProblemModel problem) {
+        HttpContext.Response.Headers.Add(AppHeaders.IS_KNOWN_PROBLEM, "1");
         problem.TraceId = HttpContext.TraceIdentifier;
         return BadRequest(problem);
     }