diff --git a/src/hotspot/share/gc/z/zHeapIterator.cpp b/src/hotspot/share/gc/z/zHeapIterator.cpp
index 241f5f8..00f2afd 100644
--- a/src/hotspot/share/gc/z/zHeapIterator.cpp
+++ b/src/hotspot/share/gc/z/zHeapIterator.cpp
@@ -184,7 +184,7 @@ bool ZHeapIterator::visit_referents() const {
 
 void ZHeapIterator::objects_do(ObjectClosure* cl) {
   ZHeapIteratorRootOopClosure root_cl(this, cl);
-  ZRootsIterator roots;
+  ZRootsIterator roots(false);
 
   // Follow roots. Note that we also visit the JVMTI weak tag map
   // as if they were strong roots to make sure we visit all tagged