diff -r 5143b01bf1d5 -r 2bed3e806e1e lemon/random.h
--- a/lemon/random.h	Wed Dec 19 22:23:28 2007 +0000
+++ b/lemon/random.h	Thu Dec 20 15:13:06 2007 +0000
@@ -257,7 +257,7 @@
           --curr;
         }
         curr[0] = (((curr[0] & hiMask) | (curr[length - 1] & loMask)) >> 1) ^
-          curr[length - shift] ^ mask[curr[length - 1] & 1ul];
+          curr[length - shift] ^ mask[int(curr[length - 1] & 1ul)];
 
       }