diff --git a/configs/ax25-ae350_defconfig b/configs/ax25-ae350_defconfig
index 45a36e606d..002f170860 100644
--- a/configs/ax25-ae350_defconfig
+++ b/configs/ax25-ae350_defconfig
@@ -39,3 +39,4 @@ CONFIG_ATCSPI200_SPI=y
 CONFIG_TIMER=y
 CONFIG_ATCPIT100_TIMER=y
 CONFIG_DISTRO_DEFAULTS=y
+CONFIG_CPU_RISCV_64=y