diff --git a/dumux/common/pointsource.hh b/dumux/common/pointsource.hh
index 33607ce412e5196831170cb2fb5db56d7b402f44..8a5595229cc0733ad52376512d7bdb700fffb0ee 100644
--- a/dumux/common/pointsource.hh
+++ b/dumux/common/pointsource.hh
@@ -25,6 +25,8 @@
 #ifndef DUMUX_POINTSOURCE_HH
 #define DUMUX_POINTSOURCE_HH
 
+#include <functional>
+
 #include <dumux/common/boundingboxtree.hh>
 #include <dumux/common/parameters.hh>
 #include <dumux/common/propertysystem.hh>