diff --git a/apps/openmw/mwsound/soundmanager.hpp b/apps/openmw/mwsound/soundmanager.hpp
index ff360122b8..83195390c0 100644
--- a/apps/openmw/mwsound/soundmanager.hpp
+++ b/apps/openmw/mwsound/soundmanager.hpp
@@ -5,6 +5,8 @@
 #include <utility>
 #include <map>
 
+#include <boost/shared_ptr.hpp>
+
 #include <OgreResourceGroupManager.h>
 
 #include <components/settings/settings.hpp>