diff --git a/tools/screenshot.cpp b/tools/screenshot.cpp
index a32cdb7..5486362 100644
--- a/tools/screenshot.cpp
+++ b/tools/screenshot.cpp
@@ -44,6 +44,7 @@
     #include <QX11Info>
     #include <X11/X.h>
     #include <X11/Xlib.h>
+    #undef Success
 #endif
 
 Screenshot::Screenshot(QObject *parent, Screenshot::Options options):