diff --git a/include/framework/seadTaskMgr.h b/include/framework/seadTaskMgr.h
index a1cfdefb..b4f29385 100644
--- a/include/framework/seadTaskMgr.h
+++ b/include/framework/seadTaskMgr.h
@@ -13,7 +13,7 @@ class Framework;
 class Heap;
 class NullFaderTask;
 
-class TaskMgr final : sead::hostio::Node
+class TaskMgr final : public sead::hostio::Node
 {
 public:
     struct InitializeArg
diff --git a/include/heap/seadHeapMgr.h b/include/heap/seadHeapMgr.h
index 704248cc..1d2878d2 100644
--- a/include/heap/seadHeapMgr.h
+++ b/include/heap/seadHeapMgr.h
@@ -13,7 +13,7 @@
 
 namespace sead
 {
-class HeapMgr : hostio::Node
+class HeapMgr : public hostio::Node
 {
     struct AllocCallbackArg;
     struct CreateCallbackArg;