diff --git a/py/modmicropython.c b/py/modmicropython.c
index 31ae7025fe..f7d74db2e0 100644
--- a/py/modmicropython.c
+++ b/py/modmicropython.c
@@ -120,6 +120,7 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_1(mp_alloc_emergency_exception_buf_obj, mp_alloc_
 
 STATIC const mp_rom_map_elem_t mp_module_micropython_globals_table[] = {
     { MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_micropython) },
+    { MP_ROM_QSTR(MP_QSTR_const), MP_ROM_PTR(&mp_identity_obj) },
 #if MICROPY_PY_MICROPYTHON_MEM_INFO
 #if MICROPY_MEM_STATS
     { MP_ROM_QSTR(MP_QSTR_mem_total), MP_ROM_PTR(&mp_micropython_mem_total_obj) },
diff --git a/tests/micropython/const.py b/tests/micropython/const.py
index 09717fd147..660a095f2c 100644
--- a/tests/micropython/const.py
+++ b/tests/micropython/const.py
@@ -1,5 +1,7 @@
 # test constant optimisation
 
+from micropython import const
+
 X = const(123)
 Y = const(X + 456)
 
diff --git a/tests/micropython/const2.py b/tests/micropython/const2.py
index fb45884352..60085a1e04 100644
--- a/tests/micropython/const2.py
+++ b/tests/micropython/const2.py
@@ -1,5 +1,7 @@
 # check that consts are not replaced in anything except standalone identifiers
 
+from micropython import const
+
 X = const(1)
 Y = const(2)
 Z = const(3)
diff --git a/tests/micropython/const_error.py b/tests/micropython/const_error.py
index b46efcae27..6d3d135b56 100644
--- a/tests/micropython/const_error.py
+++ b/tests/micropython/const_error.py
@@ -1,5 +1,7 @@
 # make sure syntax error works correctly for bad const definition
 
+from micropython import const
+
 def test_syntax(code):
     try:
         exec(code)