diff --git a/raknet/NetworkTypes.h b/raknet/NetworkTypes.h
index 37d5fcc..7ae99a7 100644
--- a/raknet/NetworkTypes.h
+++ b/raknet/NetworkTypes.h
@@ -21,6 +21,9 @@
 #include "RakNetDefines.h"
 #include "Export.h"
 
+#pragma pack(push)
+#pragma pack(1)
+
 /// Forward declaration
 namespace RakNet
 {
@@ -255,5 +258,7 @@ const int PING_TIMES_ARRAY_SIZE = 5;
 /// \param[in] functionName The function name
 #define UNREGISTER_CLASS_MEMBER_RPC(networkObject, className, functionName) (networkObject)->UnregisterAsRemoteProcedureCall((#className "_" #functionName))
 
+#pragma pack(pop)
+
 #endif