diff --git a/include/boost/local_function/aux_/config.hpp b/include/boost/local_function/aux_/config.hpp
index e14adbe..a111ed6 100644
--- a/include/boost/local_function/aux_/config.hpp
+++ b/include/boost/local_function/aux_/config.hpp
@@ -18,8 +18,18 @@
 // case are comparable to C++11 lambdas).
 #ifdef BOOST_NO_LOCAL_CLASS_TEMPLATE_PARAMETERS
 #   define BOOST_LOCAL_FUNCTION_AUX_CONFIG_LOCALS_AS_TPARAMS_01 0
+#   if __GNUC__
+#       warning "Boost.LocalFunction: Local class template parameters"
+#   elif BOOST_MSVC
+#       pragma message("Boost.LocalFunction: Local class template parameters")
+#   endif
 #else
 #   define BOOST_LOCAL_FUNCTION_AUX_CONFIG_LOCALS_AS_TPARAMS_01 1
+#   if __GNUC__
+#       warning "Boost.LocalFunction: No local class template parameters"
+#   elif BOOST_MSVC
+#       pragma message("Boost.LocalFunction: No local class template parameters")
+#   endif
 #endif
 
 #endif // #include guard
diff --git a/include/boost/local_function/aux_/function.hpp b/include/boost/local_function/aux_/function.hpp
index 580c30a..7f74abd 100644
--- a/include/boost/local_function/aux_/function.hpp
+++ b/include/boost/local_function/aux_/function.hpp
@@ -35,6 +35,9 @@
 #define BOOST_LOCAL_FUNCTION_AUX_FUNCTION_INIT_CALL_FUNC \
     BOOST_LOCAL_FUNCTION_AUX_SYMBOL( (init_call) )
 
+#define BOOST_LOCAL_FUNCTION_AUX_typename_seq(z, n, unused) \
+    (typename)
+
 #define BOOST_LOCAL_FUNCTION_AUX_arg_type(z, arg_n, unused) \
     BOOST_PP_CAT(A, arg_n)
 
@@ -184,15 +187,18 @@ class function {}; // Empty template, only use its specializations.
 // Register type for type-of emu (NAME use TYPEOF to deduce this fctor type).
 #include BOOST_TYPEOF_INCREMENT_REGISTRATION_GROUP()
 BOOST_TYPEOF_REGISTER_TEMPLATE(boost::local_function::aux::function,
-    BOOST_PP_ADD(2, // F and defaults tparams.
-        BOOST_PP_IIF(BOOST_LOCAL_FUNCTION_AUX_CONFIG_LOCALS_AS_TPARAMS_01,
-            0 // No additional tparam.
-        ,
-            BOOST_LOCAL_FUNCTION_CONFIG_BIND_MAX // Bind tparams.
-        )
-    )
+    (typename) // For `F` tparam.
+    (size_t) // For `defaults` tparam.
+    // MSVC error if using #if instead of PP_IIF here.
+    BOOST_PP_IIF(BOOST_LOCAL_FUNCTION_AUX_CONFIG_LOCALS_AS_TPARAMS_01,
+        BOOST_PP_TUPLE_EAT(3) // Nothing.
+    ,
+        BOOST_PP_REPEAT // For bind tparams.
+    )(BOOST_LOCAL_FUNCTION_CONFIG_BIND_MAX,
+            BOOST_LOCAL_FUNCTION_AUX_typename_seq, ~)
 )
 
+#undef BOOST_LOCAL_FUNCTION_AUX_typename_seq
 #undef BOOST_LOCAL_FUNCTION_AUX_arg_type
 #undef BOOST_LOCAL_FUNCTION_AUX_arg_typedef
 #undef BOOST_LOCAL_FUNCTION_AUX_comma_arg_tparam
diff --git a/test/all_decl.cpp b/test/all_decl.cpp
index cda2292..0366aaa 100644
--- a/test/all_decl.cpp
+++ b/test/all_decl.cpp
@@ -11,6 +11,11 @@
 #else
 
 #include <boost/local_function.hpp>
+#include <boost/typeof/typeof.hpp>
+#include BOOST_TYPEOF_INCREMENT_REGISTRATION_GROUP()
+
+struct s;
+BOOST_TYPEOF_REGISTER_TYPE(s) // Register before binding `this_` below.
 
 // Compile all local function declaration combinations.
 struct s {
diff --git a/test/all_decl_seq.cpp b/test/all_decl_seq.cpp
index 2001e34..95fb75e 100644
--- a/test/all_decl_seq.cpp
+++ b/test/all_decl_seq.cpp
@@ -6,6 +6,11 @@
 // Home at http://www.boost.org/libs/local_function
 
 #include <boost/local_function.hpp>
+#include <boost/typeof/typeof.hpp>
+#include BOOST_TYPEOF_INCREMENT_REGISTRATION_GROUP()
+
+struct s;
+BOOST_TYPEOF_REGISTER_TYPE(s); // Register before bind `this_` below.
 
 // Compile all local function declaration combinations.
 struct s {
diff --git a/test/factorial.cpp b/test/factorial.cpp
index 71fb53b..2c32e19 100644
--- a/test/factorial.cpp
+++ b/test/factorial.cpp
@@ -11,10 +11,15 @@
 #else
 
 #include <boost/local_function.hpp>
+#include <boost/typeof/typeof.hpp>
+#include BOOST_TYPEOF_INCREMENT_REGISTRATION_GROUP()
 #include <boost/detail/lightweight_test.hpp>
 #include <algorithm>
 #include <vector>
 
+struct calculator;
+BOOST_TYPEOF_REGISTER_TYPE(calculator) // Register before bind `this_` below.
+
 //[factorial
 struct calculator {
     std::vector<int> results;
diff --git a/test/factorial_seq.cpp b/test/factorial_seq.cpp
index f4c39be..70dba02 100644
--- a/test/factorial_seq.cpp
+++ b/test/factorial_seq.cpp
@@ -6,10 +6,15 @@
 // Home at http://www.boost.org/libs/local_function
 
 #include <boost/local_function.hpp>
+#include <boost/typeof/typeof.hpp>
+#include BOOST_TYPEOF_INCREMENT_REGISTRATION_GROUP()
 #include <boost/detail/lightweight_test.hpp>
 #include <algorithm>
 #include <vector>
 
+struct calculator;
+BOOST_TYPEOF_REGISTER_TYPE(calculator) // Register before bind `this_` below.
+
 struct calculator {
     std::vector<int> results;