diff --git a/MyOpenWalnutToolbox/src/WToolkit.cpp b/MyOpenWalnutToolbox/src/WToolkit.cpp
index f0048dbc4a41a305872ed6729d1746d0017c2b84..7858e96dbe473115138908da630e205b14c26a22 100644
--- a/MyOpenWalnutToolbox/src/WToolkit.cpp
+++ b/MyOpenWalnutToolbox/src/WToolkit.cpp
@@ -25,7 +25,7 @@
 // This file's purpose is to provide a list of modules and additional extensions as entry point for OpenWalnut's module loader.
 // Both functAdd your modules here. If you miss this step, OpenWalnut will not be able to load your modules/extensions.
 
-
+#include <string>
 #include <boost/shared_ptr.hpp>
 
 #include <core/kernel/WModule.h>