diff --git a/py/showbc.c b/py/showbc.c
index 728d8d9..3deb18c 100644
--- a/py/showbc.c
+++ b/py/showbc.c
@@ -539,9 +539,9 @@
                 printf("LOAD_FAST " UINT_FMT, (mp_uint_t)ip[-1] - MP_BC_LOAD_FAST_MULTI);
             } else if (ip[-1] < MP_BC_STORE_FAST_MULTI + 16) {
                 printf("STORE_FAST " UINT_FMT, (mp_uint_t)ip[-1] - MP_BC_STORE_FAST_MULTI);
-            } else if (ip[-1] < MP_BC_UNARY_OP_MULTI + MP_UNARY_OP_NON_BYTECODE) {
+            } else if (ip[-1] < MP_BC_UNARY_OP_MULTI + MP_UNARY_OP_NUM_BYTECODE) {
                 printf("UNARY_OP " UINT_FMT, (mp_uint_t)ip[-1] - MP_BC_UNARY_OP_MULTI);
-            } else if (ip[-1] < MP_BC_BINARY_OP_MULTI + 36) {
+            } else if (ip[-1] < MP_BC_BINARY_OP_MULTI + MP_BINARY_OP_NUM_BYTECODE) {
                 mp_uint_t op = ip[-1] - MP_BC_BINARY_OP_MULTI;
                 printf("BINARY_OP " UINT_FMT " %s", op, qstr_str(mp_binary_op_method_name[op]));
             } else {