diff --git a/app/SysTray-X/SysTray-X-app/nativeeventfilter-x11.cpp b/app/SysTray-X/SysTray-X-app/nativeeventfilter-x11.cpp
index ee2b758..4e9c781 100644
--- a/app/SysTray-X/SysTray-X-app/nativeeventfilter-x11.cpp
+++ b/app/SysTray-X/SysTray-X-app/nativeeventfilter-x11.cpp
@@ -4,6 +4,7 @@
 /*
  *  System includes
  */
+#include <xcb/xcb.h>
 
 /*
  *  Qt includes