diff --git a/src/kernel/core/cache/vnode_store.cpp b/src/kernel/core/cache/vnode_store.cpp
index 649c015aff..1eb3369b80 100644
--- a/src/kernel/core/cache/vnode_store.cpp
+++ b/src/kernel/core/cache/vnode_store.cpp
@@ -122,6 +122,7 @@ vm_create_vnode_store(void *vnode)
 	store->vm.committed_size = 0;
 
 	store->vnode = vnode;
+	store->file_cache_ref = NULL;
 
 	return &store->vm;
 }
diff --git a/src/kernel/core/cache/vnode_store.h b/src/kernel/core/cache/vnode_store.h
index 179bc0ba09..f7871c2a24 100644
--- a/src/kernel/core/cache/vnode_store.h
+++ b/src/kernel/core/cache/vnode_store.h
@@ -12,6 +12,7 @@
 struct vnode_store {
 	vm_store	vm;
 	void		*vnode;
+	void		*file_cache_ref;
 };
 
 #endif	/* VNODE_STORE_H */