diff --git a/crypto/evp/p_ed25519_asn1.c b/crypto/evp/p_ed25519_asn1.c
index bd44b3f..1f996cf 100644
--- a/crypto/evp/p_ed25519_asn1.c
+++ b/crypto/evp/p_ed25519_asn1.c
@@ -196,7 +196,7 @@
 
 static int ed25519_size(const EVP_PKEY *pkey) { return 64; }
 
-static int ed25519_bits(const EVP_PKEY *pkey) { return 256; }
+static int ed25519_bits(const EVP_PKEY *pkey) { return 253; }
 
 const EVP_PKEY_ASN1_METHOD ed25519_asn1_meth = {
     EVP_PKEY_ED25519,