diff --git a/apps/openmw/mwworld/contentloader.hpp b/apps/openmw/mwworld/contentloader.hpp
index c57935c90..46bd7d3f9 100644
--- a/apps/openmw/mwworld/contentloader.hpp
+++ b/apps/openmw/mwworld/contentloader.hpp
@@ -2,6 +2,7 @@
 #define CONTENTLOADER_HPP
 
 #include <iosfwd>
+#include <iostream>
 #include <boost/filesystem/path.hpp>
 
 #include "components/loadinglistener/loadinglistener.hpp"