diff --git a/src/GeometryCommand/GeoCommandCommon.h b/src/GeometryCommand/GeoCommandCommon.h
index 82d718db0d029a098d4fb78f7d9799ddbb170a32..215a83d3eac56f982824116c21aac3ea82031508 100644
--- a/src/GeometryCommand/GeoCommandCommon.h
+++ b/src/GeometryCommand/GeoCommandCommon.h
@@ -1,6 +1,6 @@
 #ifndef GEOCOMMANDCOMMON_H_
 #define GEOCOMMANDCOMMON_H_
-
+#include <functional>
 #include <list>
 #include <vector>
 #include <TopoDS_Edge.hxx>