diff --git a/tests/dune b/tests/dune
index f0363cae..724b7640 100644
--- a/tests/dune
+++ b/tests/dune
@@ -42,7 +42,7 @@
  (modules test_entropy)
  (package mirage-crypto-rng)
  (libraries mirage-crypto-rng ohex)
- (enabled_if (<> %{architecture} "arm64")))
+ (enabled_if (or (<> %{architecture} "arm64") (<> %{architecture} "riscv64"))
  ; see https://github.com/mirage/mirage-crypto/issues/216
 
 (test