diff --git a/src/gallium/state_trackers/glx/xlib/xm_api.h b/src/gallium/state_trackers/glx/xlib/xm_api.h
index d2b57d6b9dd..9684b5a17e1 100644
--- a/src/gallium/state_trackers/glx/xlib/xm_api.h
+++ b/src/gallium/state_trackers/glx/xlib/xm_api.h
@@ -53,8 +53,8 @@ and create a window, you must do the following to use the X/Mesa interface:
 
 
 
-#ifndef XMESA_H
-#define XMESA_H
+#ifndef XM_API_H
+#define XM_API_H
 
 
 #include "main/mtypes.h" /* for gl_config */