diff --git a/include/xo/alloc/Object.hpp b/include/xo/alloc/Object.hpp
index 2468c8bc..2c11ea9e 100644
--- a/include/xo/alloc/Object.hpp
+++ b/include/xo/alloc/Object.hpp
@@ -64,7 +64,7 @@ namespace xo {
          *  3. return the location of the copy make in step 1.
          *
          *  @p src.        source object to be forwarded
-         *  @p gc.         garbage collector
+         *  @p gc.         allocator (poassibly garbage collector)
          */
         static IObject * _forward(IObject * src, gc::IAlloc * gc);
 
diff --git a/utest/Forwarding1.test.cpp b/utest/Forwarding1.test.cpp
index 19d9bf1e..f0a81c14 100644
--- a/utest/Forwarding1.test.cpp
+++ b/utest/Forwarding1.test.cpp
@@ -23,7 +23,7 @@ namespace xo {
 
                 gp<Object> member() const { return member_; }
                 void assign_member(Object * x) {
-                    Object::mm->assign_member(this, member_.ptr_address(), x);
+                    Object::mm->assign_member(this, reinterpret_cast<IObject**>(member_.ptr_address()), x);
                 }
 
                 TaggedPtr self_tp() const final override {
@@ -33,7 +33,7 @@ namespace xo {
                 void display(std::ostream & os) const final override { os << data_; }
 
                 virtual std::size_t _shallow_size() const final override { return sizeof(*this); }
-                virtual Object * _shallow_copy(gc::IAlloc * mm) const final override { return new (Cpof(mm, this)) DummyObject(*this); }
+                virtual IObject * _shallow_copy(gc::IAlloc * mm) const final override { return new (Cpof(mm, this)) DummyObject(*this); }
                 virtual std::size_t _forward_children(gc::IAlloc * gc) final override { return _shallow_size(); }
 
             private:
diff --git a/utest/IAlloc.test.cpp b/utest/IAlloc.test.cpp
index b0214749..823791ab 100644
--- a/utest/IAlloc.test.cpp
+++ b/utest/IAlloc.test.cpp
@@ -3,7 +3,7 @@
  * author: Roland Conybeare, Aug 2025
  */
 
-#include "xo/alloc/IAlloc.hpp"
+#include "xo/allocutil/IAlloc.hpp"
 #include <catch2/catch.hpp>
 
 namespace xo {