--- a/src/StatisticsStrategy.cpp     2011-09-23 16:09:12.000000000 -0400
+++ b/src/StatisticsStrategy.cpp    2013-05-18 17:22:09.000000000 -0400
@@ -140,7 +140,7 @@
   if (_nodeCount == 0)
     return 0.0;
   else {
-    mpz_class q = mpq_class(_subGenSum) / _nodeCount;
+    mpq_class q = mpq_class(_subGenSum) / _nodeCount;
     return q.get_d();
   }
 }
