diff --git a/config/sources/riscv64.conf b/config/sources/riscv64.conf
index 9e0643c97..99b054f48 100644
--- a/config/sources/riscv64.conf
+++ b/config/sources/riscv64.conf
@@ -16,3 +16,4 @@ export SKIP_EXTERNAL_TOOLCHAINS='yes'
 [[ -z $UBOOT_COMPILER ]]  && UBOOT_COMPILER='riscv64-linux-gnu-'
 [[ -z $KERNEL_USE_GCC ]]  && KERNEL_USE_GCC='> 8.0'
 [[ -z $UBOOT_USE_GCC ]]	  && UBOOT_USE_GCC='> 8.0'
+[[ -z $INITRD_ARCH ]] && INITRD_ARCH=riscv