diff --git a/src/one-body-sample.cc b/src/one-body-sample.cc
index 4e77cede9bd01ec67810be889994aa616dcc6a51..464e8e08360bbd73d3088aa669472e743bc9a525 100644
--- a/src/one-body-sample.cc
+++ b/src/one-body-sample.cc
@@ -28,6 +28,7 @@
 #include <dune/common/bitsetvector.hh>
 #include <dune/common/exceptions.hh>
 #include <dune/common/fmatrix.hh>
+#include <dune/common/function.hh>
 #include <dune/common/fvector.hh>
 #include <dune/common/parametertree.hh>
 #include <dune/common/parametertreeparser.hh>