diff --git a/include/boost/geometry/geometries/concepts/box_concept.hpp b/include/boost/geometry/geometries/concepts/box_concept.hpp
index 34d0fdd48..d3a96abbd 100644
--- a/include/boost/geometry/geometries/concepts/box_concept.hpp
+++ b/include/boost/geometry/geometries/concepts/box_concept.hpp
@@ -56,7 +56,7 @@ class Box
     {
         static void apply()
         {
-            Geometry* b;
+            Geometry* b = 0;
             geometry::set<Index, Dimension>(*b, geometry::get<Index, Dimension>(*b));
             dimension_checker<Index, Dimension + 1, DimensionCount>::apply();
         }
diff --git a/include/boost/geometry/geometries/concepts/linestring_concept.hpp b/include/boost/geometry/geometries/concepts/linestring_concept.hpp
index 5ecaf9ce5..f8aa95239 100644
--- a/include/boost/geometry/geometries/concepts/linestring_concept.hpp
+++ b/include/boost/geometry/geometries/concepts/linestring_concept.hpp
@@ -78,10 +78,10 @@ public :
 
     BOOST_CONCEPT_USAGE(Linestring)
     {
-        Geometry* ls;
+        Geometry* ls = 0;
         traits::clear<Geometry>::apply(*ls);
         traits::resize<Geometry>::apply(*ls, 0);
-        point_type* point;
+        point_type* point = 0;
         traits::push_back<Geometry>::apply(*ls, *point);
     }
 #endif
diff --git a/include/boost/geometry/geometries/concepts/point_concept.hpp b/include/boost/geometry/geometries/concepts/point_concept.hpp
index 60f46e1e8..b31f3dd98 100644
--- a/include/boost/geometry/geometries/concepts/point_concept.hpp
+++ b/include/boost/geometry/geometries/concepts/point_concept.hpp
@@ -93,7 +93,7 @@ class Point
     {
         static void apply()
         {
-            P* p;
+            P* p = 0;
             geometry::set<Dimension>(*p, geometry::get<Dimension>(*p));
             dimension_checker<P, Dimension+1, DimensionCount>::apply();
         }
diff --git a/include/boost/geometry/geometries/concepts/polygon_concept.hpp b/include/boost/geometry/geometries/concepts/polygon_concept.hpp
index 5c35d82db..757933cd2 100644
--- a/include/boost/geometry/geometries/concepts/polygon_concept.hpp
+++ b/include/boost/geometry/geometries/concepts/polygon_concept.hpp
@@ -52,7 +52,7 @@ class Polygon
     {
         static inline void apply()
         {
-            polygon_type* poly;
+            polygon_type* poly = 0;
             polygon_type const* cpoly = poly;
 
             ring_mutable_type e = traits::exterior_ring<PolygonType>::get(*poly);
@@ -105,7 +105,7 @@ class ConstPolygon
     {
         static inline void apply()
         {
-            const_polygon_type const* cpoly;
+            const_polygon_type const* cpoly = 0;
 
             ring_const_type ce = traits::exterior_ring<const_polygon_type>::get(*cpoly);
             interior_const_type ci = traits::interior_rings<const_polygon_type>::get(*cpoly);
diff --git a/include/boost/geometry/geometries/concepts/ring_concept.hpp b/include/boost/geometry/geometries/concepts/ring_concept.hpp
index d683e5e97..61f34747c 100644
--- a/include/boost/geometry/geometries/concepts/ring_concept.hpp
+++ b/include/boost/geometry/geometries/concepts/ring_concept.hpp
@@ -54,10 +54,10 @@ public :
 
     BOOST_CONCEPT_USAGE(Ring)
     {
-        Geometry* ring;
+        Geometry* ring = 0;
         traits::clear<Geometry>::apply(*ring);
         traits::resize<Geometry>::apply(*ring, 0);
-        point_type* point;
+        point_type* point = 0;
         traits::push_back<Geometry>::apply(*ring, *point);
     }
 #endif
diff --git a/include/boost/geometry/geometries/concepts/segment_concept.hpp b/include/boost/geometry/geometries/concepts/segment_concept.hpp
index 9c70aebed..eb09908e8 100644
--- a/include/boost/geometry/geometries/concepts/segment_concept.hpp
+++ b/include/boost/geometry/geometries/concepts/segment_concept.hpp
@@ -54,7 +54,7 @@ class Segment
     {
         static void apply()
         {
-            Geometry* s;
+            Geometry* s = 0;
             geometry::set<Index, Dimension>(*s, geometry::get<Index, Dimension>(*s));
             dimension_checker<Index, Dimension + 1, DimensionCount>::apply();
         }