diff --git a/src/ifcgeom/IfcGeomRenderStyles.h b/src/ifcgeom/IfcGeomRenderStyles.h
index ba6e68e4f8..cd8d771246 100644
--- a/src/ifcgeom/IfcGeomRenderStyles.h
+++ b/src/ifcgeom/IfcGeomRenderStyles.h
@@ -23,8 +23,12 @@
 #ifdef __GNUC__
 #include <tr1/array>
 #else
+#if _MSC_VER < 1600
+#include <boost/tr1/array.hpp>
+#else
 #include <array>
 #endif
+#endif
 
 #ifdef USE_IFC4
 #include "../ifcparse/Ifc4.h"
diff --git a/src/ifcparse/SharedPointer.h b/src/ifcparse/SharedPointer.h
index 48de8e6e5b..3d261aa8c8 100644
--- a/src/ifcparse/SharedPointer.h
+++ b/src/ifcparse/SharedPointer.h
@@ -28,7 +28,10 @@
 #include <tr1/memory>
 #define SHARED_PTR std::tr1::shared_ptr
 #else
-#ifdef _MSC_VER
+#if _MSC_VER >= 1600
+// MSVC 2008 does not have shared_ptr by default, but it comes
+// in a feature pack. Therefore for IDEs prior to MSVC 2010 the
+// shared_ptr that ships with boost is used.
 #include <memory>
 #define SHARED_PTR std::tr1::shared_ptr
 #else