diff --git a/src/angle-axis.hpp b/src/angle-axis.hpp
index 764001a2a4128a9919ebfa6b6632002ee6caeadd..e3811e5183942b2fcedeb56b262c9b91d82a1fe0 100644
--- a/src/angle-axis.hpp
+++ b/src/angle-axis.hpp
@@ -17,9 +17,10 @@
 #ifndef __eigenpy_angle_axis_hpp__
 #define __eigenpy_angle_axis_hpp__
 
+#include <boost/python.hpp>
 #include <Eigen/Core>
 #include <Eigen/Geometry>
-#include <boost/python.hpp>
+
 #include "eigenpy/eigenpy.hpp"
 
 namespace eigenpy
diff --git a/src/details.hpp b/src/details.hpp
index cd16d8f4ea1a1f4e35b824fdbe4b489a0a5fb492..5b5c546304f164fec6be2f68b4fafb191db490df 100644
--- a/src/details.hpp
+++ b/src/details.hpp
@@ -17,8 +17,8 @@
 #ifndef __eigenpy_details_hpp__
 #define __eigenpy_details_hpp__
 
-#include <Eigen/Core>
 #include <boost/python.hpp>
+#include <Eigen/Core>
 
 #pragma GCC diagnostic error "-pedantic" // Alas only work for g++ 4.8
 #include <numpy/arrayobject.h>
diff --git a/src/exception.hpp b/src/exception.hpp
index db676f51db1f67a589c3677f0fe55e7af4a432c5..96702c90b0e8732033e0d685cff815a8a8d328ee 100644
--- a/src/exception.hpp
+++ b/src/exception.hpp
@@ -14,9 +14,9 @@
  * with eigenpy.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <boost/python.hpp>
 #include <exception>
 #include <string>
-#include <boost/python.hpp>
 
 #ifndef __eigenpy_Exception_hpp__
 #define __eigenpy_Exception_hpp__
diff --git a/src/fwd.hpp b/src/fwd.hpp
index 7622f518ccc9e873cf90533c47b3d2be1d4e1209..b137f1df8236182a7873e7e346ecdab361277a6d 100644
--- a/src/fwd.hpp
+++ b/src/fwd.hpp
@@ -17,8 +17,8 @@
 #ifndef __eigenpy_fwd_hpp__
 #define __eigenpy_fwd_hpp__
 
-#include <Eigen/Core>
 #include <boost/python.hpp>
+#include <Eigen/Core>
 
 namespace eigenpy
 {
diff --git a/src/map.hpp b/src/map.hpp
index 86384b4e0beb87b83068703271a7debadfc21642..6d574949f54eff77c7482e27b7ebb549227af72a 100644
--- a/src/map.hpp
+++ b/src/map.hpp
@@ -14,8 +14,8 @@
  * with eigenpy.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include <Eigen/Core>
 #include <boost/python.hpp>
+#include <Eigen/Core>
 #include <numpy/arrayobject.h>
 #include <eigenpy/exception.hpp>