diff --git a/src/libtomahawk/Album.h b/src/libtomahawk/Album.h
index 60d6e4e6e..199028769 100644
--- a/src/libtomahawk/Album.h
+++ b/src/libtomahawk/Album.h
@@ -28,6 +28,7 @@
     #include <QtGui/QPixmap>
 #endif
 
+#include <boost/thread/locks.hpp>
 #include <boost/thread/mutex.hpp>
 #include <boost/thread/future.hpp>
 
diff --git a/src/libtomahawk/Artist.h b/src/libtomahawk/Artist.h
index 2e41d2770..36e65df72 100644
--- a/src/libtomahawk/Artist.h
+++ b/src/libtomahawk/Artist.h
@@ -31,6 +31,7 @@
 #include "DllMacro.h"
 #include "Query.h"
 
+#include <boost/thread/locks.hpp>
 #include <boost/thread/mutex.hpp>
 #include <boost/thread/future.hpp>