diff --git a/docs/user-guide/custom-errors.md b/docs/user-guide/custom-errors.md
index 4120b2184..17fb6f7f7 100644
--- a/docs/user-guide/custom-errors.md
+++ b/docs/user-guide/custom-errors.md
@@ -3,15 +3,16 @@
 When the [`custom-http-errors`][cm-custom-http-errors] option is enabled, the Ingress controller configures NGINX so
 that it passes several HTTP headers down to its `default-backend` in case of error:
 
-| Header           | Value                                            |
-| ---------------- | ------------------------------------------------ |
-| `X-Code`         | HTTP status code retuned by the request          |
-| `X-Format`       | Value of the `Accept` header sent by the client  |
-| `X-Original-URI` | URI that caused the error                        |
-| `X-Namespace`    | Namespace where the backend Service is located   |
-| `X-Ingress-Name` | Name of the Ingress where the backend is defined |
-| `X-Service-Name` | Name of the Service backing the backend          |
-| `X-Service-Port` | Port number of the Service backing the backend   |
+| Header           | Value                                                               |
+| ---------------- | ------------------------------------------------------------------- |
+| `X-Code`         | HTTP status code retuned by the request                             |
+| `X-Format`       | Value of the `Accept` header sent by the client                     |
+| `X-Original-URI` | URI that caused the error                                           |
+| `X-Namespace`    | Namespace where the backend Service is located                      |
+| `X-Ingress-Name` | Name of the Ingress where the backend is defined                    |
+| `X-Service-Name` | Name of the Service backing the backend                             |
+| `X-Service-Port` | Port number of the Service backing the backend                      |
+| `X-Request-ID`   | Unique ID that identifies the request - same as for backend service |
 
 A custom error backend can use this information to return the best possible representation of an error page. For
 example, if the value of the `Accept` header send by the client was `application/json`, a carefully crafted backend
diff --git a/images/custom-error-pages/main.go b/images/custom-error-pages/main.go
index e4f1ccb23..f6baac558 100644
--- a/images/custom-error-pages/main.go
+++ b/images/custom-error-pages/main.go
@@ -34,7 +34,7 @@ const (
 	// FormatHeader name of the header used to extract the format
 	FormatHeader = "X-Format"
 
-	// CodeHeader name of the header used as source of the HTTP statu code to return
+	// CodeHeader name of the header used as source of the HTTP status code to return
 	CodeHeader = "X-Code"
 
 	// ContentType name of the header that defines the format of the reply
@@ -55,6 +55,9 @@ const (
 	// ServicePort name of the header that contains the matched Service port in the Ingress
 	ServicePort = "X-Service-Port"
 
+	// RequestId is a unique ID that identifies the request - same as for backend service
+	RequestId = "X-Request-ID"
+
 	// ErrFilesPathVar is the name of the environment variable indicating
 	// the location on disk of files served by the handler.
 	ErrFilesPathVar = "ERROR_FILES_PATH"
@@ -91,6 +94,7 @@ func errorHandler(path string) func(http.ResponseWriter, *http.Request) {
 			w.Header().Set(IngressName, r.Header.Get(IngressName))
 			w.Header().Set(ServiceName, r.Header.Get(ServiceName))
 			w.Header().Set(ServicePort, r.Header.Get(ServicePort))
+			w.Header().Set(RequestId, r.Header.Get(RequestId))
 		}
 
 		format := r.Header.Get(FormatHeader)
diff --git a/rootfs/etc/nginx/template/nginx.tmpl b/rootfs/etc/nginx/template/nginx.tmpl
index 8f140ceea..7efb85785 100644
--- a/rootfs/etc/nginx/template/nginx.tmpl
+++ b/rootfs/etc/nginx/template/nginx.tmpl
@@ -815,6 +815,7 @@ stream {
             proxy_set_header       X-Ingress-Name     $ingress_name;
             proxy_set_header       X-Service-Name     $service_name;
             proxy_set_header       X-Service-Port     $service_port;
+            proxy_set_header       X-Request-ID       $req_id;
             proxy_set_header       Host               $best_http_host;
 
             set $proxy_upstream_name {{ $upstreamName }};
@@ -1318,6 +1319,7 @@ stream {
             proxy_set_header       X-Ingress-Name     $ingress_name;
             proxy_set_header       X-Service-Name     $service_name;
             proxy_set_header       X-Service-Port     $service_port;
+            proxy_set_header       X-Request-ID       $req_id;
             {{ end }}
 
             {{ if $location.Satisfy }}
diff --git a/test/e2e/annotations/default_backend.go b/test/e2e/annotations/default_backend.go
index d2806e0da..4aff300f7 100644
--- a/test/e2e/annotations/default_backend.go
+++ b/test/e2e/annotations/default_backend.go
@@ -53,9 +53,11 @@ var _ = framework.IngressNginxDescribe("Annotations - custom default-backend", f
 				})
 
 			uri := "/alma/armud"
+			requestId := "something-unique"
 			resp, body, errs := gorequest.New().
 				Get(f.GetURL(framework.HTTP)+uri).
 				Set("Host", host).
+				Set("x-request-id", requestId).
 				End()
 
 			Expect(errs).Should(BeEmpty())
@@ -64,7 +66,7 @@ var _ = framework.IngressNginxDescribe("Annotations - custom default-backend", f
 			Expect(body).To(ContainSubstring("x-code=503"))
 			Expect(body).To(ContainSubstring(fmt.Sprintf("x-ingress-name=%s", host)))
 			Expect(body).To(ContainSubstring("x-service-name=invalid"))
-			Expect(body).To(ContainSubstring(fmt.Sprintf("x-original-uri=%s", uri)))
+			Expect(body).To(ContainSubstring(fmt.Sprintf("x-request-id=%s", requestId)))
 		})
 	})
 })