diff --git a/src/SFML/Window/Unix/ClipboardImpl.hpp b/src/SFML/Window/Unix/ClipboardImpl.hpp
index 7ee401776..38e1a6761 100644
--- a/src/SFML/Window/Unix/ClipboardImpl.hpp
+++ b/src/SFML/Window/Unix/ClipboardImpl.hpp
@@ -29,6 +29,7 @@
 // Headers
 ////////////////////////////////////////////////////////////
 #include <SFML/System/String.hpp>
+#include <SFML/Window/WindowStyle.hpp> // Prevent conflict with macro None from Xlib
 #include <X11/Xlib.h>
 #include <deque>
 
diff --git a/src/SFML/Window/Unix/Display.hpp b/src/SFML/Window/Unix/Display.hpp
index 6591ea01e..7071b8af1 100644
--- a/src/SFML/Window/Unix/Display.hpp
+++ b/src/SFML/Window/Unix/Display.hpp
@@ -28,6 +28,7 @@
 ////////////////////////////////////////////////////////////
 // Headers
 ////////////////////////////////////////////////////////////
+#include <SFML/Window/WindowStyle.hpp> // Prevent conflict with macro None from Xlib
 #include <X11/Xlib.h>
 #include <string>
 
diff --git a/src/SFML/Window/Unix/GlxContext.hpp b/src/SFML/Window/Unix/GlxContext.hpp
index fd91e0a8d..3829d941e 100644
--- a/src/SFML/Window/Unix/GlxContext.hpp
+++ b/src/SFML/Window/Unix/GlxContext.hpp
@@ -29,6 +29,7 @@
 // Headers
 ////////////////////////////////////////////////////////////
 #include <SFML/Window/GlContext.hpp>
+#include <SFML/Window/WindowStyle.hpp> // Prevent conflict with macro None from Xlib
 #include <glad/glx.h>
 #include <X11/Xlib.h>