diff --git a/Xext/panoramiX.h b/Xext/panoramiX.h
index 700c5a4f9..d413ff9cf 100644
--- a/Xext/panoramiX.h
+++ b/Xext/panoramiX.h
@@ -41,9 +41,8 @@ Equipment Corporation.
 #define _PANORAMIX_H_
 
 #define _PANORAMIX_SERVER
-#include <X11/extensions/panoramiXext.h>
+#include <X11/extensions/panoramiXproto.h>
 #undef _PANORAMIX_SERVER
-
 #include "gcstruct.h"