diff --git a/src/hotspot/share/gc/shenandoah/shenandoahAllocator.hpp b/src/hotspot/share/gc/shenandoah/shenandoahAllocator.hpp
index 9438320fb14..ca5981305e8 100644
--- a/src/hotspot/share/gc/shenandoah/shenandoahAllocator.hpp
+++ b/src/hotspot/share/gc/shenandoah/shenandoahAllocator.hpp
@@ -129,12 +129,12 @@ public:
   // Caller must hold the heap lock at safepoint. This causes all directly allocatable regions to be placed into
   // the appropriate ShenandoahFreeSet partition.
   // Collector calls this in preparation for choosing a collection set and/or rebuilding the freeset.
-  void release_alloc_regions();
+  virtual void release_alloc_regions();
 
   // Caller must hold the heap lock at safepoint. This causes us to set aside N regions as directly allocatable
   // by removing these regions from the relevant ShenandoahFreeSet partitions.
   // Collector calls this after rebuilding the freeset.
-  void reserve_alloc_regions();
+  virtual void reserve_alloc_regions();
 };
 
 /*