diff --git a/pycardium/mpconfigport.h b/pycardium/mpconfigport.h
index 8623e1e811420685365023ae3496de6efd9ed0c5..8749da69403d4eeadd7e799f612c94662bc1d5fd 100644
--- a/pycardium/mpconfigport.h
+++ b/pycardium/mpconfigport.h
@@ -53,6 +53,7 @@ int mp_hal_csprng_read_int(void);
 #define MICROPY_PY_UERRNO                   (1)
 #define MICROPY_PY_FRAMEBUF                 (1)
 #define MICROPY_PY_BLUETOOTH                (1)
+#define MICROPY_PY_BUILTINS_MEMORYVIEW      (1)
 
 /* Modules */
 #define MODULE_BHI160_ENABLED               (1)