diff --git a/include/etl/intrusive_forward_list.h b/include/etl/intrusive_forward_list.h
index 45bdd7bf..307f110b 100644
--- a/include/etl/intrusive_forward_list.h
+++ b/include/etl/intrusive_forward_list.h
@@ -632,6 +632,8 @@ namespace etl
     template <typename... TLinks>
     intrusive_forward_list(link_type& first, TLinks&... links)
     {
+      ETL_STATIC_ASSERT((etl::is_base_of_all<link_type, TLinks...>::value), "Mixed link types");
+
       this->current_size   = 0;
       this->start.etl_next = &first;
       link_type* last      = make_linked_list(this->current_size, first, static_cast<link_type&>(links)...);
diff --git a/include/etl/intrusive_list.h b/include/etl/intrusive_list.h
index 30cf7d50..49bfea05 100644
--- a/include/etl/intrusive_list.h
+++ b/include/etl/intrusive_list.h
@@ -692,9 +692,11 @@ namespace etl
     template <typename... TLinks>
     intrusive_list(link_type& first, TLinks&... links)
     {
-      current_size                     = 0;
+      ETL_STATIC_ASSERT((etl::is_base_of_all<link_type, TLinks...>::value), "Mixed link types");
+
+      this->current_size               = 0;
       this->terminal_link.etl_next     = &first;
-      link_type* last                  = make_linked_list(current_size, first, static_cast<link_type&>(links)...);
+      link_type* last                  = make_linked_list(this->current_size, first, static_cast<link_type&>(links)...);
       first.etl_previous               = &this->terminal_link;
       last->etl_next                   = &this->terminal_link;
       this->terminal_link.etl_previous = last;