1diff --git a/module/system/base/target.scm b/module/system/base/target.scm
2index 95ab8d8c9..93616f4a3 100644
3--- a/module/system/base/target.scm
4+++ b/module/system/base/target.scm
5@@ -86,6 +86,8 @@
6 (endianness big))
7 ((string=? "aarch64" cpu)
8 (endianness little))
9+ ((string-match "riscv[1-9][0-9]*" cpu)
10+ (endianness little))
11 (else
12 (error "unknown CPU endianness" cpu)))))
13