diff --git a/locale/circuitpython.pot b/locale/circuitpython.pot
index 0d814b0ee6..21c69ff393 100644
--- a/locale/circuitpython.pot
+++ b/locale/circuitpython.pot
@@ -2136,10 +2136,6 @@ msgstr ""
 msgid "UUID value is not str, int or byte buffer"
 msgstr ""
 
-#: ports/raspberrypi/common-hal/memorymap/AddressRange.c
-msgid "Unable to access unaliged IO register"
-msgstr ""
-
 #: ports/raspberrypi/common-hal/memorymap/AddressRange.c
 msgid "Unable to access unaligned IO register"
 msgstr ""
@@ -4052,10 +4048,6 @@ msgstr ""
 msgid "source_bitmap must have value_count of 8"
 msgstr ""
 
-#: shared-bindings/memorymap/AddressRange.c
-msgid "start must be an int"
-msgstr ""
-
 #: py/objstr.c
 msgid "start/end indices"
 msgstr ""
diff --git a/shared-bindings/memorymap/AddressRange.c b/shared-bindings/memorymap/AddressRange.c
index 74df9efecf..4ea7c680f5 100644
--- a/shared-bindings/memorymap/AddressRange.c
+++ b/shared-bindings/memorymap/AddressRange.c
@@ -97,7 +97,8 @@ STATIC mp_obj_t memorymap_addressrange_make_new(const mp_obj_type_t *type, size_
     } else if (mp_obj_is_type(args[ARG_start].u_obj, &mp_type_int)) {
         start = mp_obj_int_get_uint_checked(args[ARG_start].u_obj);
     } else {
-        mp_raise_TypeError(translate("start must be an int"));
+        mp_obj_t arg = mp_unary_op(MP_UNARY_OP_INT, args[ARG_start].u_obj);
+        start = mp_obj_int_get_uint_checked(arg);
     }
     size_t length =
         mp_arg_validate_int_min(args[ARG_length].u_int, 1, MP_QSTR_length);