1 files changed, 1 insertions, 1 deletions
diff --git a/7zip/Compress/LZ/LZInWindow.h b/7zip/Compress/LZ/LZInWindow.h
index 54f2cb7b..20e0331b 100755
--- a/7zip/Compress/LZ/LZInWindow.h
+++ b/7zip/Compress/LZ/LZInWindow.h
@@ -79,7 +79,7 @@ public:
 
   bool NeedMove(UInt32 numCheckBytes)
   {
-    UInt32 reserv = _pointerToLastSafePosition - (_buffer + _pos);
+    size_t reserv = (size_t)(_pointerToLastSafePosition - (_buffer + _pos));
     return (reserv <= numCheckBytes);
   }
 };