--- uisp-20050207-with-usb-bbpg-patch/src/Stk500.C	2010-02-21 17:28:01.000000000 +0100
+++ uisp-20050207/src/Stk500.C	2004-12-28 15:54:11.000000000 +0100
@@ -419,7 +419,7 @@
   }
 
   pgsz = prg_part[desired_part].params.pagesize;
-  pagesize = pgsz[0] << (8 + pgsz[1]);
+  pagesize = (pgsz[0]) << 8 + pgsz[1];
 
   if (pagesize == 0) {
     pagesize = 128;
