diff --git a/include/boost/geometry/algorithms/difference.hpp b/include/boost/geometry/algorithms/difference.hpp
index bd919f5af..780436f01 100644
--- a/include/boost/geometry/algorithms/difference.hpp
+++ b/include/boost/geometry/algorithms/difference.hpp
@@ -148,11 +148,11 @@ inline void difference(Geometry1 const& geometry1,
     typedef typename boost::range_value<Collection>::type geometry_out;
     concept::check<geometry_out>();
 
-    typedef typename geometry::rescale_policy_type
+    typedef typename geometry::rescale_overlay_policy_type
         <
-            typename geometry::point_type<Geometry1>::type // TODO from both
-        >::type
-        rescale_policy_type;
+            Geometry1,
+            Geometry2
+        >::type rescale_policy_type;
 
     rescale_policy_type robust_policy
             = geometry::get_rescale_policy<rescale_policy_type>(geometry1, geometry2);
diff --git a/include/boost/geometry/algorithms/intersection.hpp b/include/boost/geometry/algorithms/intersection.hpp
index 484b399ca..500cacc9f 100644
--- a/include/boost/geometry/algorithms/intersection.hpp
+++ b/include/boost/geometry/algorithms/intersection.hpp
@@ -196,9 +196,10 @@ inline bool intersection(Geometry1 const& geometry1,
     concept::check<Geometry1 const>();
     concept::check<Geometry2 const>();
 
-    typedef typename geometry::rescale_policy_type
+    typedef typename geometry::rescale_overlay_policy_type
         <
-            typename geometry::point_type<Geometry1>::type // TODO from both
+            Geometry1,
+            Geometry2
         >::type rescale_policy_type;
 
     rescale_policy_type robust_policy
diff --git a/include/boost/geometry/algorithms/sym_difference.hpp b/include/boost/geometry/algorithms/sym_difference.hpp
index d151b624d..de34c9c7b 100644
--- a/include/boost/geometry/algorithms/sym_difference.hpp
+++ b/include/boost/geometry/algorithms/sym_difference.hpp
@@ -156,9 +156,10 @@ inline void sym_difference(Geometry1 const& geometry1,
     typedef typename boost::range_value<Collection>::type geometry_out;
     concept::check<geometry_out>();
 
-    typedef typename geometry::rescale_policy_type
+    typedef typename geometry::rescale_overlay_policy_type
         <
-            typename geometry::point_type<Geometry1>::type // TODO from both
+            Geometry1,
+            Geometry2
         >::type rescale_policy_type;
 
     rescale_policy_type robust_policy
diff --git a/include/boost/geometry/algorithms/union.hpp b/include/boost/geometry/algorithms/union.hpp
index a0d7db01b..ca9b8ff11 100644
--- a/include/boost/geometry/algorithms/union.hpp
+++ b/include/boost/geometry/algorithms/union.hpp
@@ -270,9 +270,10 @@ inline OutputIterator union_insert(Geometry1 const& geometry1,
     concept::check<Geometry2 const>();
     concept::check<GeometryOut>();
 
-    typedef typename geometry::rescale_policy_type
+    typedef typename geometry::rescale_overlay_policy_type
         <
-            typename geometry::point_type<Geometry1>::type // TODO from both
+            Geometry1,
+            Geometry2
         >::type rescale_policy_type;
 
     typedef strategy_intersection
diff --git a/include/boost/geometry/policies/robustness/get_rescale_policy.hpp b/include/boost/geometry/policies/robustness/get_rescale_policy.hpp
index 6c0d8bd32..4c3e4c73f 100644
--- a/include/boost/geometry/policies/robustness/get_rescale_policy.hpp
+++ b/include/boost/geometry/policies/robustness/get_rescale_policy.hpp
@@ -17,6 +17,8 @@
 
 #include <boost/type_traits.hpp>
 
+#include <boost/geometry/core/tag_cast.hpp>
+
 #include <boost/geometry/algorithms/envelope.hpp>
 #include <boost/geometry/algorithms/expand.hpp>
 #include <boost/geometry/algorithms/detail/recalculate.hpp>
@@ -221,6 +223,49 @@ struct rescale_policy_type
 #endif
 };
 
+
+template
+<
+    typename Geometry1,
+    typename Geometry2,
+    typename Tag1 = typename tag_cast
+    <
+        typename tag<Geometry1>::type,
+        pointlike_tag,
+        linear_tag,
+        areal_tag
+    >::type,
+    typename Tag2 = typename tag_cast
+    <
+        typename tag<Geometry2>::type,
+        pointlike_tag,
+        linear_tag,
+        areal_tag
+    >::type
+>
+struct rescale_overlay_policy_type
+    // Default: no rescaling
+    : public detail::get_rescale_policy::rescale_policy_type
+        <
+            typename geometry::point_type<Geometry1>::type,
+            false
+        >
+{};
+
+// Areal/areal: get rescale policy based on coordinate type
+template
+<
+    typename Geometry1,
+    typename Geometry2
+>
+struct rescale_overlay_policy_type<Geometry1, Geometry2, areal_tag, areal_tag>
+    : public rescale_policy_type
+        <
+            typename geometry::point_type<Geometry1>::type
+        >
+{};
+
+
 template <typename Policy, typename Geometry>
 inline Policy get_rescale_policy(Geometry const& geometry)
 {