1 files changed, 3 insertions, 0 deletions
diff --git a/src/plugins/platforms/xcb/qxcbintegration.h b/src/plugins/platforms/xcb/qxcbintegration.h
index 4212d53810..4e2a3c2bbd 100644
--- a/src/plugins/platforms/xcb/qxcbintegration.h
+++ b/src/plugins/platforms/xcb/qxcbintegration.h
@@ -39,6 +39,8 @@
 
 #include "qxcbexport.h"
 
+#include <xcb/xcb.h>
+
 QT_BEGIN_NAMESPACE
 
 class QXcbConnection;
@@ -123,6 +125,7 @@ private:
     mutable QByteArray m_wmClass;
     const char *m_instanceName;
     bool m_canGrab;
+    xcb_visualid_t m_defaultVisualId;
 
     static QXcbIntegration *m_instance;
 };