diff --git a/gtsam/discrete/AlgebraicDecisionTree.h b/gtsam/discrete/AlgebraicDecisionTree.h
index a2ceac834..9769715a1 100644
--- a/gtsam/discrete/AlgebraicDecisionTree.h
+++ b/gtsam/discrete/AlgebraicDecisionTree.h
@@ -160,7 +160,7 @@ namespace gtsam {
               const typename Base::LabelFormatter& labelFormatter =
                   &DefaultFormatter) const {
       auto valueFormatter = [](const double& v) {
-        return (boost::format("%4.4g") % v).str();
+        return (boost::format("%4.8g") % v).str();
       };
       Base::print(s, labelFormatter, valueFormatter);
     }