diff --git a/gtsam/geometry/BearingRange.h b/gtsam/geometry/BearingRange.h
index b1e003864..33a799c1a 100644
--- a/gtsam/geometry/BearingRange.h
+++ b/gtsam/geometry/BearingRange.h
@@ -94,6 +94,9 @@ struct BearingRange
   }
 
   friend class boost::serialization::access;
+
+public:
+	EIGEN_MAKE_ALIGNED_OPERATOR_NEW
 };
 
 // Declare this to be both Testable and a Manifold
diff --git a/gtsam/geometry/OrientedPlane3.h b/gtsam/geometry/OrientedPlane3.h
index e425a4b81..4bca8d138 100644
--- a/gtsam/geometry/OrientedPlane3.h
+++ b/gtsam/geometry/OrientedPlane3.h
@@ -156,6 +156,9 @@ public:
   }
 
   /// @}
+
+public:
+	EIGEN_MAKE_ALIGNED_OPERATOR_NEW
 };
 
 template<> struct traits<OrientedPlane3> : public internal::Manifold<
diff --git a/gtsam/navigation/AttitudeFactor.h b/gtsam/navigation/AttitudeFactor.h
index 21f74ac06..4ae6078e9 100644
--- a/gtsam/navigation/AttitudeFactor.h
+++ b/gtsam/navigation/AttitudeFactor.h
@@ -129,6 +129,9 @@ private:
     ar & BOOST_SERIALIZATION_NVP(nZ_);
     ar & BOOST_SERIALIZATION_NVP(bRef_);
   }
+
+public:
+  EIGEN_MAKE_ALIGNED_OPERATOR_NEW
 };
 
 /// traits
@@ -213,6 +216,9 @@ private:
     ar & BOOST_SERIALIZATION_NVP(nZ_);
     ar & BOOST_SERIALIZATION_NVP(bRef_);
   }
+
+public:
+  EIGEN_MAKE_ALIGNED_OPERATOR_NEW
 };
 
 /// traits
diff --git a/gtsam/slam/BetweenFactor.h b/gtsam/slam/BetweenFactor.h
index f3fd49fa7..7af43e986 100644
--- a/gtsam/slam/BetweenFactor.h
+++ b/gtsam/slam/BetweenFactor.h
@@ -122,6 +122,9 @@ namespace gtsam {
           boost::serialization::base_object<Base>(*this));
       ar & BOOST_SERIALIZATION_NVP(measured_);
     }
+  
+  public:
+	  EIGEN_MAKE_ALIGNED_OPERATOR_NEW
   }; // \class BetweenFactor
 
   /// traits
diff --git a/gtsam/slam/EssentialMatrixConstraint.h b/gtsam/slam/EssentialMatrixConstraint.h
index 92a78279b..9aa8f8b83 100644
--- a/gtsam/slam/EssentialMatrixConstraint.h
+++ b/gtsam/slam/EssentialMatrixConstraint.h
@@ -103,6 +103,9 @@ private:
             boost::serialization::base_object<Base>(*this));
     ar & BOOST_SERIALIZATION_NVP(measuredE_);
   }
+
+public:
+	EIGEN_MAKE_ALIGNED_OPERATOR_NEW
 };
 // \class EssentialMatrixConstraint
 
diff --git a/gtsam/slam/PriorFactor.h b/gtsam/slam/PriorFactor.h
index 9a3a4a47a..c8ed378d8 100644
--- a/gtsam/slam/PriorFactor.h
+++ b/gtsam/slam/PriorFactor.h
@@ -104,6 +104,9 @@ namespace gtsam {
           boost::serialization::base_object<Base>(*this));
       ar & BOOST_SERIALIZATION_NVP(prior_);
     }
+  
+  public:
+	  EIGEN_MAKE_ALIGNED_OPERATOR_NEW
   };
 
 } /// namespace gtsam