diff --git a/libraries/mbed/targets/hal/TARGET_RENESAS/TARGET_RZ_A1H/device.h b/libraries/mbed/targets/hal/TARGET_RENESAS/TARGET_RZ_A1H/device.h
index 3c63b7ad33..ef79620884 100644
--- a/libraries/mbed/targets/hal/TARGET_RENESAS/TARGET_RZ_A1H/device.h
+++ b/libraries/mbed/targets/hal/TARGET_RENESAS/TARGET_RZ_A1H/device.h
@@ -59,9 +59,9 @@
 
 #define DEVICE_DEBUG_AWARENESS  0
 
-#define DEVICE_STDIO_MESSAGES   0
+#define DEVICE_STDIO_MESSAGES   1
 
-#define DEVICE_ERROR_PATTERN    0
+#define DEVICE_ERROR_PATTERN    1
 
 #include "objects.h"