diff --git a/src/hotspot/share/gc/z/zHeap.cpp b/src/hotspot/share/gc/z/zHeap.cpp
index e6d9f19..9b517d8 100644
--- a/src/hotspot/share/gc/z/zHeap.cpp
+++ b/src/hotspot/share/gc/z/zHeap.cpp
@@ -296,6 +296,10 @@ void ZHeap::mark_start() {
   ZStatHeap::set_at_mark_start(capacity(), used());
 }
 
+void ZHeap::mark_concurrent_roots() {
+  _mark.mark_concurrent_roots();
+}
+
 void ZHeap::mark() {
   _mark.mark();
 }