diff --git a/app/SysTray-X/SysTray-X-app/nativeeventfilter-x11.h b/app/SysTray-X/SysTray-X-app/nativeeventfilter-x11.h
index 0daf226..0cf9203 100644
--- a/app/SysTray-X/SysTray-X-app/nativeeventfilter-x11.h
+++ b/app/SysTray-X/SysTray-X-app/nativeeventfilter-x11.h
@@ -14,6 +14,7 @@
 /*
  *	Qt includes
  */
+#include <QVector>
 
 
 /**