From 2ab0514034b7229758784b8a1a9d2253c1dbcf67 Mon Sep 17 00:00:00 2001
From: Julien Salleyron <julien.salleyron@gmail.com>
Date: Fri, 20 Mar 2026 15:02:04 +0100
Subject: [PATCH] Fix panic with Failover services in Kubernetes

---
 pkg/provider/kubernetes/crd/kubernetes_http.go | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/pkg/provider/kubernetes/crd/kubernetes_http.go b/pkg/provider/kubernetes/crd/kubernetes_http.go
index 536957a8a..7e0e089b8 100644
--- a/pkg/provider/kubernetes/crd/kubernetes_http.go
+++ b/pkg/provider/kubernetes/crd/kubernetes_http.go
@@ -769,8 +769,13 @@ func (c configBuilder) buildFailover(ctx context.Context, tService *traefikv1alp
 	}
 
 	conf[id] = &dynamic.Service{Failover: failover}
-	conf[serviceName] = service
-	conf[fallbackName] = fallback
+	if service != nil {
+		conf[serviceName] = service
+	}
+
+	if fallback != nil {
+		conf[fallbackName] = fallback
+	}
 
 	return nil
 }