diff --git a/cryptfs.cpp b/cryptfs.cpp
index 5a061bb..6ded404 100644
--- a/cryptfs.cpp
+++ b/cryptfs.cpp
@@ -317,6 +317,10 @@ constexpr CryptoType default_crypto_type = CryptoType()
 
 constexpr CryptoType supported_crypto_types[] = {
     default_crypto_type,
+    CryptoType()
+        .set_property_name("adiantum")
+        .set_crypto_name("xchacha12,aes-adiantum-plain64")
+        .set_keysize(32),
     // Add new CryptoTypes here.  Order is not important.
 };