--- src/_image.cpp	2006-05-29 17:18:13.000000000 -0600
+++ /Users/bwaters/_today/_image.cpp	2006-08-30 21:01:53.000000000 -0600
@@ -1258,7 +1258,7 @@
   imo->colsIn = x;
   size_t NUMBYTES(imo->colsIn * imo->rowsIn * imo->BPP);
 
-  int buflen;
+  Py_ssize_t buflen;
   const agg::int8u *rawbuf;
   if (PyObject_AsReadBuffer(bufin, reinterpret_cast<const void**>(&rawbuf), &buflen) != 0)
     throw Py::ValueError("Cannot get buffer from object.");