diff --git a/common/ffs.h b/common/ffs.h
index 30a2ec8..f670114 100644
--- a/common/ffs.h
+++ b/common/ffs.h
@@ -13,6 +13,8 @@ WITHWARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 #ifndef __FFS_H__
 #define __FFS_H__
 
+#include <vector>
+
 #include <QByteArray>
 #include <QString>
 #include "basetypes.h"