diff --git a/Xext/xf86bigfont.c b/Xext/xf86bigfont.c
index 79a4c59e5..51bac86ce 100644
--- a/Xext/xf86bigfont.c
+++ b/Xext/xf86bigfont.c
@@ -70,7 +70,7 @@
 #include "extnsionst.h"
 
 #define _XF86BIGFONT_SERVER_
-#include "xf86bigfstr.h"
+#include <X11/extensions/xf86bigfstr.h>
 
 static void XF86BigfontResetProc(
     ExtensionEntry *	/* extEntry */