diff --git a/hw/xnest/Args.h b/hw/xnest/Args.h
index cce503cb2..2ae2984b4 100644
--- a/hw/xnest/Args.h
+++ b/hw/xnest/Args.h
@@ -15,6 +15,7 @@ is" without express or implied warranty.
 #ifndef XNESTARGS_H
 #define XNESTARGS_H
 
+#include <X11/X.h>
 #include <X11/Xdefs.h>
 
 extern char *xnestDisplayName;
diff --git a/hw/xnest/Color.h b/hw/xnest/Color.h
index 480b35cbb..23f17540d 100644
--- a/hw/xnest/Color.h
+++ b/hw/xnest/Color.h
@@ -15,6 +15,7 @@ is" without express or implied warranty.
 #ifndef XNESTCOLOR_H
 #define XNESTCOLOR_H
 
+#include <X11/X.h>
 #include <X11/Xdefs.h>
 
 #define DUMB_WINDOW_MANAGERS
diff --git a/hw/xnest/Screen.h b/hw/xnest/Screen.h
index 4ab73c41b..d06338f5a 100644
--- a/hw/xnest/Screen.h
+++ b/hw/xnest/Screen.h
@@ -15,6 +15,7 @@ is" without express or implied warranty.
 #ifndef XNESTSCREEN_H
 #define XNESTSCREEN_H
 
+#include <X11/X.h>
 #include <X11/Xdefs.h>
 
 extern Window xnestDefaultWindows[MAXSCREENS];
diff --git a/hw/xnest/Visual.h b/hw/xnest/Visual.h
index c3ae8a19f..12f19d9ab 100644
--- a/hw/xnest/Visual.h
+++ b/hw/xnest/Visual.h
@@ -15,6 +15,8 @@ is" without express or implied warranty.
 #ifndef XNESTVISUAL_H
 #define XNESTVISUAL_H
 
+#include <X11/X.h>
+
 Visual *xnestVisual(VisualPtr pVisual);
 Visual *xnestVisualFromID(ScreenPtr pScreen, VisualID visual);
 Colormap xnestDefaultVisualColormap(Visual * visual);