diff --git a/ports/unix/mpconfigport_coverage.h b/ports/unix/mpconfigport_coverage.h
index cf976bf7a39896e29ead752822b692e57c189751..b3fcd1e6b039874ff577caa07648dc01fe190b68 100644
--- a/ports/unix/mpconfigport_coverage.h
+++ b/ports/unix/mpconfigport_coverage.h
@@ -36,6 +36,7 @@
 #define MICROPY_ENABLE_SCHEDULER       (1)
 #define MICROPY_PY_DELATTR_SETATTR     (1)
 #define MICROPY_PY_REVERSE_SPECIAL_METHODS (1)
+#define MICROPY_PY_BUILTINS_RANGE_BINOP (1)
 #define MICROPY_PY_BUILTINS_HELP       (1)
 #define MICROPY_PY_BUILTINS_HELP_MODULES (1)
 #define MICROPY_PY_SYS_GETSIZEOF       (1)