diff --git a/src/hotspot/share/gc/parallel/psParallelCompact.cpp b/src/hotspot/share/gc/parallel/psParallelCompact.cpp
index bb973b7..7d171a4 100644
--- a/src/hotspot/share/gc/parallel/psParallelCompact.cpp
+++ b/src/hotspot/share/gc/parallel/psParallelCompact.cpp
@@ -2188,7 +2188,7 @@ void PSParallelCompact::adjust_roots(ParCompactionManager* cm) {
   Management::oops_do(&oop_closure);
   JvmtiExport::oops_do(&oop_closure);
   SystemDictionary::oops_do(&oop_closure);
-  CLDToOopClosure cld_closure(&oop_closure);
+  CLDToOopClosure cld_closure(&oop_closure, ClassLoaderData::_claim_strong);
   ClassLoaderDataGraph::cld_do(&cld_closure);
 
   // Now adjust pointers in remaining weak roots.  (All of which should