diff --git a/router/router.go b/router/router.go
index 6af98fc..e6f3544 100644
--- a/router/router.go
+++ b/router/router.go
@@ -1,10 +1,12 @@
 package router
 
 import (
+	"errors"
 	"log/slog"
 	"net/http"
 
 	"forge.capytal.company/loreddev/x/smalltrip"
+	"forge.capytal.company/loreddev/x/smalltrip/exceptions"
 	"forge.capytal.company/loreddev/x/smalltrip/middleware"
 	"forge.capytal.company/loreddev/x/tinyssert"
 )
@@ -19,11 +21,17 @@ func New(assertions tinyssert.Assertions, log *slog.Logger, dev bool) http.Handl
 	} else {
 		r.Use(middleware.PersistentCache())
 	}
+	r.Use(exceptions.Middleware())
 
 	r.HandleFunc("/", func(w http.ResponseWriter, _ *http.Request) {
 		w.WriteHeader(http.StatusOK)
 		_, _ = w.Write([]byte("Hello world"))
 	})
+	r.HandleFunc("/test", func(w http.ResponseWriter, r *http.Request) {
+		exceptions.InternalServerError(errors.New("TEST ERROR"),
+			exceptions.WithData("test-data", "test-value"),
+		).ServeHTTP(w, r)
+	})
 
 	return r
 }