diff --git a/src/network/PacketReader.h b/src/network/PacketReader.h
index 098899c..3518bbb 100644
--- a/src/network/PacketReader.h
+++ b/src/network/PacketReader.h
@@ -11,6 +11,7 @@ namespace Feather::Network
     {
     public:
         PacketReader(uint8_t* dataPtr)
+          : m_data(dataPtr), m_length(ReadVarInt())
         {
             m_data = dataPtr;
             m_length = ReadVarInt();
@@ -45,9 +46,9 @@ namespace Feather::Network
 
         uint32_t Length() const { return m_length; }
     private:
-        uint8_t*    m_data;
-        uint32_t    m_length;
-        uint32_t    m_offset = 0;
+        const uint8_t const* m_data;
+        const uint32_t       m_length;
+        uint32_t             m_offset = 0;
     };
 
 }
\ No newline at end of file