diff --git a/src/Mod/Path/libarea/pyarea.cpp b/src/Mod/Path/libarea/pyarea.cpp
index 4256ae4625..95770b46e3 100644
--- a/src/Mod/Path/libarea/pyarea.cpp
+++ b/src/Mod/Path/libarea/pyarea.cpp
@@ -15,6 +15,7 @@
 
 #include <pybind11/pybind11.h>
 #include <pybind11/stl.h>
+#include <pybind11/functional.h>
 #include <pybind11/operators.h>
 
 #include <vector>