diff --git a/probe/kubernetes/service.go b/probe/kubernetes/service.go
index 0717f27f5..c9a17d4a3 100644
--- a/probe/kubernetes/service.go
+++ b/probe/kubernetes/service.go
@@ -46,6 +46,9 @@ func (s *service) Namespace() string {
 }
 
 func (s *service) Selector() labels.Selector {
+	if s.Spec.Selector == nil {
+		return labels.Nothing()
+	}
 	return labels.SelectorFromSet(labels.Set(s.Spec.Selector))
 }