diff --git a/src/mzscheme/src/env.c b/src/mzscheme/src/env.c
index 1a7f5de1fe..60e7d2c208 100644
--- a/src/mzscheme/src/env.c
+++ b/src/mzscheme/src/env.c
@@ -508,13 +508,15 @@ static Scheme_Env *place_instance_init(void *stack_base, int initial_main_os_thr
 #endif
   scheme_init_error_config();
 
+/* BEGIN PRIMITIVE MODULES */
   scheme_init_memtrace(env);
 #ifndef NO_TCP_SUPPORT
   scheme_init_network(env);
 #endif
-  scheme_init_parameterization(env);
+  scheme_init_paramz(env);
   scheme_init_expand_observe(env);
   scheme_init_place(env);
+/* END PRIMITIVE MODULES */
 #if defined(MZ_USE_PLACES)
   scheme_jit_fill_threadlocal_table();
 #endif
@@ -631,6 +633,7 @@ static void make_kernel_env(void)
 #ifndef NO_REGEXP_UTILS
   MZTIMEIT(regexp, scheme_regexp_initialize(env));
 #endif
+  scheme_init_parameterization();
 
   MARK_START_TIME();
 
diff --git a/src/mzscheme/src/schpriv.h b/src/mzscheme/src/schpriv.h
index 6f1e2ab5a5..3bfa135d30 100644
--- a/src/mzscheme/src/schpriv.h
+++ b/src/mzscheme/src/schpriv.h
@@ -238,7 +238,8 @@ void scheme_init_salloc(void);
 void scheme_init_jit(void);
 #endif
 void scheme_init_memtrace(Scheme_Env *env);
-void scheme_init_parameterization(Scheme_Env *env);
+void scheme_init_paramz(Scheme_Env *env);
+void scheme_init_parameterization();
 void scheme_init_getenv(void);
 void scheme_init_inspector(void);
 
diff --git a/src/mzscheme/src/thread.c b/src/mzscheme/src/thread.c
index f02f499e7b..69ff301437 100644
--- a/src/mzscheme/src/thread.c
+++ b/src/mzscheme/src/thread.c
@@ -850,17 +850,20 @@ Scheme_Object *scheme_get_current_inspector()
   return scheme_get_param(c, MZCONFIG_INSPECTOR);
 }
   
-void scheme_init_parameterization(Scheme_Env *env)
+void scheme_init_parameterization()
 {
-  Scheme_Object *v;
-  Scheme_Env *newenv;
-
   REGISTER_SO(scheme_exn_handler_key);
   REGISTER_SO(scheme_parameterization_key);
   REGISTER_SO(scheme_break_enabled_key);
   scheme_exn_handler_key = scheme_make_symbol("exnh");
   scheme_parameterization_key = scheme_make_symbol("paramz");
   scheme_break_enabled_key = scheme_make_symbol("break-on?");
+}
+
+void scheme_init_paramz(Scheme_Env *env)
+{
+  Scheme_Object *v;
+  Scheme_Env *newenv;
 
   v = scheme_intern_symbol("#%paramz");
   newenv = scheme_primitive_module(v, env);