diff --git a/pkg/metrics/prometheus.go b/pkg/metrics/prometheus.go
index ffe236b94..491e6875b 100644
--- a/pkg/metrics/prometheus.go
+++ b/pkg/metrics/prometheus.go
@@ -229,8 +229,10 @@ func OnConfigurationUpdate(dynConf dynamic.Configurations, entryPoints []string)
 
 		for serviceName, service := range config.HTTP.Services {
 			dynamicConfig.services[fmt.Sprintf("%s@%s", serviceName, key)] = make(map[string]bool)
-			for _, server := range service.LoadBalancer.Servers {
-				dynamicConfig.services[fmt.Sprintf("%s@%s", serviceName, key)][server.URL] = true
+			if service.LoadBalancer != nil {
+				for _, server := range service.LoadBalancer.Servers {
+					dynamicConfig.services[fmt.Sprintf("%s@%s", serviceName, key)][server.URL] = true
+				}
 			}
 		}
 	}
diff --git a/pkg/metrics/prometheus_test.go b/pkg/metrics/prometheus_test.go
index 13eb3e874..ccaf2e84b 100644
--- a/pkg/metrics/prometheus_test.go
+++ b/pkg/metrics/prometheus_test.go
@@ -291,6 +291,11 @@ func TestPrometheusMetricRemoval(t *testing.T) {
 			th.WithLoadBalancerServices(th.WithService("bar",
 				th.WithServers(th.WithServer("http://localhost:9000"))),
 			),
+			func(cfg *dynamic.HTTPConfiguration) {
+				cfg.Services["fii"] = &dynamic.Service{
+					Weighted: &dynamic.WeightedRoundRobin{},
+				}
+			},
 		),
 	}