diff --git a/cc3200/mods/modpyb.c b/cc3200/mods/modpyb.c
index 44fea54b5b..05645a47aa 100644
--- a/cc3200/mods/modpyb.c
+++ b/cc3200/mods/modpyb.c
@@ -266,7 +266,7 @@ STATIC const mp_map_elem_t pyb_module_globals_table[] = {
 #endif
 
 #if MICROPY_HW_ENABLE_RTC
-    { MP_OBJ_NEW_QSTR(MP_QSTR_RTC),                 (mp_obj_t)&pyb_rtc_obj },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_RTC),                 (mp_obj_t)&pyb_rtc_type },
 #endif
 
     { MP_OBJ_NEW_QSTR(MP_QSTR_Pin),                 (mp_obj_t)&pin_type },
diff --git a/cc3200/mods/pybrtc.c b/cc3200/mods/pybrtc.c
index 7a40deb857..1cd0f9b89e 100644
--- a/cc3200/mods/pybrtc.c
+++ b/cc3200/mods/pybrtc.c
@@ -71,6 +71,7 @@ typedef struct {
  ******************************************************************************/
 STATIC pybrtc_data_t pybrtc_data;
 STATIC const mp_cb_methods_t pybrtc_cb_methods;
+STATIC const mp_obj_base_t pyb_rtc_obj = {&pyb_rtc_type};
 
 /******************************************************************************
  DECLARE PUBLIC FUNCTIONS
@@ -123,6 +124,16 @@ STATIC void pyb_rtc_callback_enable (mp_obj_t self_in) {
 /******************************************************************************/
 // Micro Python bindings
 
+/// \classmethod \constructor()
+/// Create an RTC object.
+STATIC mp_obj_t pyb_rtc_make_new(mp_obj_t type_in, mp_uint_t n_args, mp_uint_t n_kw, const mp_obj_t *args) {
+    // check arguments
+    mp_arg_check_num(n_args, n_kw, 0, 0, false);
+
+    // return constant object
+    return (mp_obj_t)&pyb_rtc_obj;
+}
+
 /// \method datetime([datetimetuple])
 /// Get or set the date and time of the RTC.
 ///
@@ -235,9 +246,10 @@ STATIC const mp_map_elem_t pyb_rtc_locals_dict_table[] = {
 };
 STATIC MP_DEFINE_CONST_DICT(pyb_rtc_locals_dict, pyb_rtc_locals_dict_table);
 
-STATIC const mp_obj_type_t pyb_rtc_type = {
+const mp_obj_type_t pyb_rtc_type = {
     { &mp_type_type },
     .name = MP_QSTR_RTC,
+    .make_new = pyb_rtc_make_new,
     .locals_dict = (mp_obj_t)&pyb_rtc_locals_dict,
 };
 
@@ -246,5 +258,3 @@ STATIC const mp_cb_methods_t pybrtc_cb_methods = {
     .enable = pyb_rtc_callback_enable,
     .disable = pyb_rtc_callback_disable,
 };
-
-const mp_obj_base_t pyb_rtc_obj = {&pyb_rtc_type};
diff --git a/cc3200/mods/pybrtc.h b/cc3200/mods/pybrtc.h
index 0c7a6f859a..4d76fae77e 100644
--- a/cc3200/mods/pybrtc.h
+++ b/cc3200/mods/pybrtc.h
@@ -31,7 +31,7 @@
 #define RTC_U16MS_CYCLES(msec)      ((msec * 1024) / 1000)
 #define RTC_CYCLES_U16MS(cycles)    ((cycles * 1000) / 1024)
 
-extern const mp_obj_base_t pyb_rtc_obj;
+extern const mp_obj_type_t pyb_rtc_type;
 
 void pybrtc_init(void);
 void pyb_rtc_callback_disable (mp_obj_t self_in);