diff --git a/src/protocol/PacketDecoder.cpp b/src/protocol/PacketDecoder.cpp
index d5b31a6..d4e8d7a 100644
--- a/src/protocol/PacketDecoder.cpp
+++ b/src/protocol/PacketDecoder.cpp
@@ -197,14 +197,13 @@ PacketProcessResult PacketDecoder::decrypt_incoming_packet(std::string& error, P
     return PacketProcessResult::SUCCESS;
 }
 
-bool PacketDecoder::verify_encryption_client_packet(const pipes::buffer_view &buffer) {
-    ClientPacketParser packet_parser{buffer};
-    if(!packet_parser.valid() || !packet_parser.is_encrypted()) {
+bool PacketDecoder::verify_encryption_client_packet(const protocol::ClientPacketParser& packet_parser) {
+    if(!packet_parser.is_encrypted()) {
         return false;
     }
 
     assert(packet_parser.type() >= 0 && packet_parser.type() < this->incoming_generation_estimators.size());
-    return this->crypt_handler_->verify_encryption(buffer, packet_parser.packet_id(), this->incoming_generation_estimators[packet_parser.type()].generation());
+    return this->crypt_handler_->verify_encryption(packet_parser.buffer(), packet_parser.packet_id(), this->incoming_generation_estimators[packet_parser.type()].generation());
 }
 
 void PacketDecoder::register_initiv_packet() {
diff --git a/src/protocol/PacketDecoder.h b/src/protocol/PacketDecoder.h
index 96870be..41e6f9b 100644
--- a/src/protocol/PacketDecoder.h
+++ b/src/protocol/PacketDecoder.h
@@ -62,7 +62,7 @@ namespace ts::protocol {
 
             void reset();
 
-            bool verify_encryption_client_packet(const pipes::buffer_view& /* full packet */);
+            bool verify_encryption_client_packet(const protocol::ClientPacketParser& /* packet */);
 
             /* true if commands might be pending */
             PacketProcessResult process_incoming_data(protocol::PacketParser &/* packet */, std::string& /* error detail */);