diff --git a/release/Makefile.vm b/release/Makefile.vm
index f5dc6af67189..d8914d305e2f 100644
--- a/release/Makefile.vm
+++ b/release/Makefile.vm
@@ -6,7 +6,11 @@
 
 VMTARGETS=	vm-image
 VMFORMATS?=	vhd vmdk qcow2 raw
+.if ${TARGET_ARCH} == riscv64
+VMSIZE?=	6144m
+.else
 VMSIZE?=	5120m
+.endif
 VMFS?=		ufs
 VMFSLIST?=	ufs zfs
 SWAPSIZE?=	1g