diff --git a/py/binary.c b/py/binary.c
index b28eb64..f8daa3e 100644
--- a/py/binary.c
+++ b/py/binary.c
@@ -63,7 +63,7 @@
         case 'I':
         case 'L':
             return mp_obj_new_int_from_uint(((uint32_t*)p)[index]);
-#if MICROPY_LONGINT_IMPL != MICROPY_LONGINT_IMPL_NONE
+#if MICROPY_LONGINT_IMPL == MICROPY_LONGINT_IMPL_LONGLONG
         case 'q':
         case 'Q':
             // TODO: Explode API more to cover signedness
diff --git a/py/objint.h b/py/objint.h
index df3b81b..29d8cf9 100644
--- a/py/objint.h
+++ b/py/objint.h
@@ -1,6 +1,6 @@
 typedef struct _mp_obj_int_t {
     mp_obj_base_t base;
-#if MICROPY_LONGINT_IMPL != MICROPY_LONGINT_IMPL_NONE
+#if MICROPY_LONGINT_IMPL == MICROPY_LONGINT_IMPL_LONGLONG
     mp_longint_impl_t val;
 #endif
 } mp_obj_int_t;
@@ -9,6 +9,6 @@
 mp_obj_t int_unary_op(int op, mp_obj_t o_in);
 mp_obj_t int_binary_op(int op, mp_obj_t lhs_in, mp_obj_t rhs_in);
 
-#if MICROPY_LONGINT_IMPL != MICROPY_LONGINT_IMPL_NONE
+#if MICROPY_LONGINT_IMPL == MICROPY_LONGINT_IMPL_LONGLONG
 mp_obj_t mp_obj_new_int_from_ll(long long val);
 #endif