diff --git a/include/wx/x11/private.h b/include/wx/x11/private.h
index 556535f0a9..ed33270f6c 100644
--- a/include/wx/x11/private.h
+++ b/include/wx/x11/private.h
@@ -19,7 +19,7 @@
 #include "X11/Xutil.h"
 
 // Include common declarations
-#include "x11/privx.h"
+#include "wx/x11/privx.h"
 
 class wxMouseEvent;
 class wxKeyEvent;
diff --git a/include/wx/x11/privx.h b/include/wx/x11/privx.h
index d66501f987..36f597fd9d 100644
--- a/include/wx/x11/privx.h
+++ b/include/wx/x11/privx.h
@@ -9,8 +9,8 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifndef _WX_PRIVATE_H_
-#define _WX_PRIVATE_H_
+#ifndef _WX_PRIVX_H_
+#define _WX_PRIVX_H_
 
 #include "wx/defs.h"
 #include "wx/utils.h"
@@ -70,4 +70,4 @@ void wxAllocNearestColor(Display *display,Colormap colormap,XColor *xcolor);
 void wxAllocColor(Display *display,Colormap colormap,XColor *xcolor);
 
 #endif
-// _WX_PRIVATE_H_
+// _WX_PRIVX_H_