diff --git a/kernel/include/sortix/kernel/dtable.h b/kernel/include/sortix/kernel/dtable.h
index 70ae49d4..8b8d7813 100644
--- a/kernel/include/sortix/kernel/dtable.h
+++ b/kernel/include/sortix/kernel/dtable.h
@@ -41,7 +41,7 @@ class DescriptorTable : public Refcountable
 {
 public:
 	DescriptorTable();
-	~DescriptorTable();
+	virtual ~DescriptorTable();
 	Ref<DescriptorTable> Fork();
 	Ref<Descriptor> Get(int index);
 	int Allocate(Ref<Descriptor> desc, int flags, int min_index = 0);
diff --git a/kernel/include/sortix/kernel/mtable.h b/kernel/include/sortix/kernel/mtable.h
index 0b0ccbc5..6ede7f62 100644
--- a/kernel/include/sortix/kernel/mtable.h
+++ b/kernel/include/sortix/kernel/mtable.h
@@ -45,7 +45,7 @@ class MountTable : public Refcountable
 {
 public:
 	MountTable();
-	~MountTable();
+	virtual ~MountTable();
 	Ref<MountTable> Fork();
 	bool AddMount(ino_t ino, dev_t dev, Ref<Inode> inode);