diff --git a/py/mpconfig.h b/py/mpconfig.h
index 2aa6f634e2..597881d6fe 100644
--- a/py/mpconfig.h
+++ b/py/mpconfig.h
@@ -1552,7 +1552,10 @@ typedef double mp_float_t;
 
 #ifndef MICROPY_PY_USSL
 #define MICROPY_PY_USSL (0)
+#endif
+
 // Whether to add finaliser code to ussl objects
+#ifndef MICROPY_PY_USSL_FINALISER
 #define MICROPY_PY_USSL_FINALISER (0)
 #endif