diff --git a/gtsam/geometry/Point3.cpp b/gtsam/geometry/Point3.cpp
index df31f0803..4f5f43665 100644
--- a/gtsam/geometry/Point3.cpp
+++ b/gtsam/geometry/Point3.cpp
@@ -96,7 +96,7 @@ double Point3::norm() const {
 
 /* ************************************************************************* */
 ostream &operator<<(ostream &os, const Point3& p) {
-  os << '(' << p.x() << ", " << p.y() << ", " << p.z() << ')';
+  os << '[' << p.x() << ", " << p.y() << ", " << p.z() << "]\';";
   return os;
 }