diff --git a/include/GL/internal/dri_interface.h b/include/GL/internal/dri_interface.h
index 1424e24fe27..45f9e77e973 100644
--- a/include/GL/internal/dri_interface.h
+++ b/include/GL/internal/dri_interface.h
@@ -678,6 +678,12 @@ struct __DRIuseInvalidateExtensionRec {
    __DRIextension base;
 };
 
+/**
+ * Dead, do not use; kept only to allow old Xserver to compile since
+ * this file is a public API.
+ */
+#define __DRI_DRIVER_EXTENSIONS "__driDriverExtensions"
+
 /**
  * This symbol replaces the __DRI_DRIVER_EXTENSIONS symbol, and will be
  * suffixed by "_drivername", allowing multiple drivers to be built into one