1 files changed, 3 insertions, 1 deletions
diff --git a/code/api/src/Endpoints/EndpointBase.cs b/code/api/src/Endpoints/EndpointBase.cs
index 6850755..8b9bbf0 100644
--- a/code/api/src/Endpoints/EndpointBase.cs
+++ b/code/api/src/Endpoints/EndpointBase.cs
@@ -14,7 +14,8 @@ public class EndpointBase : ControllerBase
     };
 
     [NonAction]
-    protected ActionResult KnownProblem(string title = default, string subtitle = default, Dictionary<string, string> errors = default) {
+    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,
@@ -25,6 +26,7 @@ public class EndpointBase : ControllerBase
 
     [NonAction]
     protected ActionResult KnownProblem(KnownProblemModel problem) {
+        HttpContext.Response.Headers.Add(AppHeaders.IS_KNOWN_PROBLEM, "1");
         return BadRequest(problem);
     }