diff --git a/dumux/common/pointsource.hh b/dumux/common/pointsource.hh
index 2afe091b746be3c6d3fae6b7925be63e5a2bb845..308fe491f067a887715345df8962f92ad3636976 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>