diff --git a/src/engine/shared/packer.cpp b/src/engine/shared/packer.cpp
index d9649f7e5a6..776f91422c8 100644
--- a/src/engine/shared/packer.cpp
+++ b/src/engine/shared/packer.cpp
@@ -5,7 +5,7 @@
 #include "compression.h"
 #include "packer.h"
 
-CAbstractPacker::CAbstractPacker(unsigned char *pBuffer, size_t Size) :
+CAbstractPacker::CAbstractPacker(unsigned char *pBuffer, int Size) :
 	m_pBuffer(pBuffer),
 	m_BufferSize(Size)
 {
diff --git a/src/engine/shared/packer.h b/src/engine/shared/packer.h
index e3fd495182d..793034f903b 100644
--- a/src/engine/shared/packer.h
+++ b/src/engine/shared/packer.h
@@ -3,8 +3,6 @@
 #ifndef ENGINE_SHARED_PACKER_H
 #define ENGINE_SHARED_PACKER_H
 
-#include <cstddef>
-
 /**
  * Abstract packer implementation. Subclasses must supply the buffer.
  */
@@ -12,13 +10,13 @@ class CAbstractPacker
 {
 private:
 	unsigned char *const m_pBuffer;
-	const size_t m_BufferSize;
+	const int m_BufferSize;
 	unsigned char *m_pCurrent;
 	unsigned char *m_pEnd;
 	bool m_Error;
 
 protected:
-	CAbstractPacker(unsigned char *pBuffer, size_t Size);
+	CAbstractPacker(unsigned char *pBuffer, int Size);
 
 public:
 	void Reset();