diff --git a/libi2pd/Destination.cpp b/libi2pd/Destination.cpp
index d7f311cf..e20249c5 100644
--- a/libi2pd/Destination.cpp
+++ b/libi2pd/Destination.cpp
@@ -1022,10 +1022,15 @@ namespace client
 				{
 					try
 					{
-						i2p::data::CryptoKeyType preferredCryptoType = std::stoi(it1);
-						if (!m_PreferredCryptoType && preferredCryptoType)
-							m_PreferredCryptoType = preferredCryptoType; // first non-zero in the list
-						encryptionKeyTypes.insert (preferredCryptoType);
+						i2p::data::CryptoKeyType cryptoType = std::stoi(it1);
+#if !OPENSSL_PQ
+						if (cryptoType <= i2p::data::CRYPTO_KEY_TYPE_ECIES_X25519_AEAD) // skip PQ keys if not supported
+#endif					
+						{
+							if (!m_PreferredCryptoType && cryptoType)
+								m_PreferredCryptoType = cryptoType; // first non-zero in the list
+							encryptionKeyTypes.insert (cryptoType);
+						}	
 					}
 					catch (std::exception& ex)
 					{
diff --git a/libi2pd/LeaseSet.cpp b/libi2pd/LeaseSet.cpp
index e4edcb31..db8c1aad 100644
--- a/libi2pd/LeaseSet.cpp
+++ b/libi2pd/LeaseSet.cpp
@@ -413,15 +413,20 @@ namespace data
 			if (IsStoreLeases () && !preferredKeyFound) // create encryptor with leases only
 			{
 				// we pick max key type if preferred not found
-				if (keyType == preferredKeyType || !m_Encryptor || keyType > m_EncryptionType)
-				{
-					auto encryptor = i2p::data::IdentityEx::CreateEncryptor (keyType, buf + offset);
-					if (encryptor)
+#if !OPENSSL_PQ
+				if (keyType <= i2p::data::CRYPTO_KEY_TYPE_ECIES_X25519_AEAD) // skip PQ keys if not supported
+#endif			
+				{	
+					if (keyType == preferredKeyType || !m_Encryptor || keyType > m_EncryptionType)
 					{
-						m_Encryptor = encryptor; // TODO: atomic
-						m_EncryptionType = keyType;
-						if (keyType == preferredKeyType) preferredKeyFound = true;
-					}	
+						auto encryptor = i2p::data::IdentityEx::CreateEncryptor (keyType, buf + offset);
+						if (encryptor)
+						{
+							m_Encryptor = encryptor; // TODO: atomic
+							m_EncryptionType = keyType;
+							if (keyType == preferredKeyType) preferredKeyFound = true;
+						}	
+					}
 				}	
 			}
 			offset += encryptionKeyLen;