diff --git a/emper/ContextManager.cpp b/emper/ContextManager.cpp
index a319b0524b6864ce625c6a896659448e84a28f7e..c0cf46e79ca9d4671f02b443ca181b89c4d983a1 100644
--- a/emper/ContextManager.cpp
+++ b/emper/ContextManager.cpp
@@ -9,6 +9,7 @@
 #include "Continuation.hpp"
 #include "Debug.hpp"
 #include "Dispatcher.hpp"
+#include "Emper.hpp"
 #include "Fibril.hpp"
 #include "Runtime.hpp"
 #include "emper-common.h"