diff --git a/include/hardware/radio.h b/include/hardware/radio.h
index 145deb5..413f413 100644
--- a/include/hardware/radio.h
+++ b/include/hardware/radio.h
@@ -285,7 +285,7 @@
                                        struct radio_hw_device** device)
 {
     return module->methods->open(module, RADIO_HARDWARE_DEVICE,
-                                 (struct hw_device_t**)device);
+                                 TO_HW_DEVICE_T_OPEN(device));
 }
 
 static inline int radio_hw_device_close(const struct radio_hw_device* device)