diff --git a/src/vt/context/runnable_context/collection.h b/src/vt/context/runnable_context/collection.h
index 8b1abd67ae..dcee9d1bc2 100644
--- a/src/vt/context/runnable_context/collection.h
+++ b/src/vt/context/runnable_context/collection.h
@@ -87,9 +87,9 @@ struct Collection {
   void resume();
 
 private:
-  std::function<void(void* in_elm)> set_;   /**< Set context function */
+  std::function<void(std::byte* in_elm)> set_;   /**< Set context function */
   std::function<void()> clear_;             /**< Clear context function */
-  void* elm_ = nullptr;                     /**< The element (untyped) */
+  std::byte* elm_ = nullptr;                     /**< The element (untyped) */
 };
 
 }} /* end namespace vt::ctx */
diff --git a/src/vt/context/runnable_context/collection.impl.h b/src/vt/context/runnable_context/collection.impl.h
index 403cc960f8..ebb8daccb9 100644
--- a/src/vt/context/runnable_context/collection.impl.h
+++ b/src/vt/context/runnable_context/collection.impl.h
@@ -54,9 +54,9 @@ template <typename IndexT>
 /*explicit*/ Collection::Collection(
   vrt::collection::Indexable<IndexT>* elm
 ) {
-  elm_ = elm;
-  set_ = [](void* in_elm){
-    auto e = static_cast<vrt::collection::Indexable<IndexT>*>(in_elm);
+  elm_ = reinterpret_cast<std::byte*>(elm);
+  set_ = [](std::byte* in_elm){
+    auto e = reinterpret_cast<vrt::collection::Indexable<IndexT>*>(in_elm);
     auto& idx_ = e->getIndex();
     auto proxy_ = e->getProxy();
     vrt::collection::CollectionContextHolder<IndexT>::set(&idx_, proxy_);