diff --git a/src/one-body-sample.cc b/src/one-body-sample.cc
index 2141c5c4a3378534e8a205f35bbafdfebe206c8c..8a98be0af519f9a270abb600fb859753e838ea0d 100644
--- a/src/one-body-sample.cc
+++ b/src/one-body-sample.cc
@@ -22,6 +22,7 @@
 #error ALUGRID is required
 #endif
 
+#include <cmath>
 #include <exception>
 #include <iostream>
 
@@ -29,8 +30,6 @@
 
 #include <Python.h>
 
-#include <cmath>
-
 #include <dune/common/bitsetvector.hh>
 #include <dune/common/exceptions.hh>
 #include <dune/common/fmatrix.hh>