diff --git a/src/lib_crypto/test/dune b/src/lib_crypto/test/dune
index aa2707ce80d737a8eb6712bcf9e4aab2ce11d515..61f3c8cf58992972f64569e9e34fb6122b3f396a 100644
--- a/src/lib_crypto/test/dune
+++ b/src/lib_crypto/test/dune
@@ -12,6 +12,7 @@
         test_prop_hacl_hash
         test_deterministic_nonce
         test_signature)
+ (modes native)
  (libraries tezos-stdlib
             tezos-crypto
             data-encoding
diff --git a/src/lib_sapling/test/dune b/src/lib_sapling/test/dune
index 590fbaebe60752b35bb30e52468ad71a484b609a..ed681f76e76eb1308ae7dc56cec40f5ac89bab14 100644
--- a/src/lib_sapling/test/dune
+++ b/src/lib_sapling/test/dune
@@ -5,6 +5,7 @@
         test_merkle
         test_roots
         test_sapling)
+ (modes native)
  (deps vectors.csv vectors-zip32.csv)
  (libraries tezos-sapling
             str