diff --git a/dumux/common/pointsource.hh b/dumux/common/pointsource.hh
index 2ac7d25245176f005186829690d0f1dadced7c86..93800b83698a1cacb775a33fb6522975a45646d9 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>