diff --git a/pkg/controller/direct/monitoring/utils.go b/pkg/controller/direct/monitoring/utils.go
index 70e73a6c50..43f4447aa5 100644
--- a/pkg/controller/direct/monitoring/utils.go
+++ b/pkg/controller/direct/monitoring/utils.go
@@ -108,7 +108,7 @@ func (w *visitorWalker) visitAny(path string, v reflect.Value) {
 	}
 
 	switch v.Kind() {
-	case reflect.Ptr:
+	case reflect.Ptr, reflect.Interface:
 		if v.IsNil() {
 			return
 		}