diff --git a/libs/scenelib.h b/libs/scenelib.h
index a1f499e2..f8878ff9 100644
--- a/libs/scenelib.h
+++ b/libs/scenelib.h
@@ -36,6 +36,8 @@
 #include "container/stack.h"
 #include "typesystem.h"
 
+#include <functional>
+
 class Selector;
 class SelectionTest;