diff --git a/include/SFCGAL/algorithm/volume.h b/include/SFCGAL/algorithm/volume.h
index 22dda2b1..8014b256 100644
--- a/include/SFCGAL/algorithm/volume.h
+++ b/include/SFCGAL/algorithm/volume.h
@@ -21,6 +21,7 @@
 #ifndef _SFCGAL_ALGORITHM_VOLUME_H_
 #define _SFCGAL_ALGORITHM_VOLUME_H_
 
+#include <SFCGAL/export.h> 
 #include <SFCGAL/Kernel.h>
 #include <SFCGAL/Geometry.h>
 
@@ -34,14 +35,14 @@ struct NoValidityCheck;
  * @pre g is a valid Geometry
  * @ingroup public_api
  */
-const Kernel::FT volume( const Geometry& g );
+SFCGAL_API const Kernel::FT volume( const Geometry& g );
 
 /**
  * Computes the volume of a Solid
  * @pre (not checked) volume is closed and consistently oriented
  * @ingroup detail
  */
-const Kernel::FT volume( const Solid& g, NoValidityCheck );
+SFCGAL_API const Kernel::FT volume( const Solid& g, NoValidityCheck );
 
 }
 }
diff --git a/include/SFCGAL/detail/transform/AffineTransform2.h b/include/SFCGAL/detail/transform/AffineTransform2.h
index 3027c4ba..ba3a4fe0 100644
--- a/include/SFCGAL/detail/transform/AffineTransform2.h
+++ b/include/SFCGAL/detail/transform/AffineTransform2.h
@@ -21,6 +21,7 @@
 #ifndef _SFCGAL_TRANSFORM_AFFINETRANSFORM2_H_
 #define _SFCGAL_TRANSFORM_AFFINETRANSFORM2_H_
 
+#include <SFCGAL/config.h>
 #include <SFCGAL/Kernel.h>
 #include <SFCGAL/Transform.h>
 
@@ -34,7 +35,7 @@ namespace transform {
  * Wrapper for CGAL::Aff_transform_2
  * @todo unittest
  */
-class AffineTransform2 : public Transform {
+class SFCGAL_API AffineTransform2 : public Transform {
 public:
     /**
      * Constructor with a transform
diff --git a/include/SFCGAL/detail/transform/AffineTransform3.h b/include/SFCGAL/detail/transform/AffineTransform3.h
index 70f138f8..5649bd42 100644
--- a/include/SFCGAL/detail/transform/AffineTransform3.h
+++ b/include/SFCGAL/detail/transform/AffineTransform3.h
@@ -21,6 +21,7 @@
 #ifndef _SFCGAL_TRANSFORM_AFFINETRANSFORM3_H_
 #define _SFCGAL_TRANSFORM_AFFINETRANSFORM3_H_
 
+#include <SFCGAL/config.h>
 #include <SFCGAL/Kernel.h>
 #include <SFCGAL/Transform.h>
 
@@ -33,7 +34,7 @@ namespace transform {
  * Wrapper for CGAL::Aff_transform_3
  * @todo unittest
  */
-class AffineTransform3 : public Transform {
+class SFCGAL_API AffineTransform3 : public Transform {
 public:
     /**
      * Constructor with a transform