diff --git a/hw/kdrive/mach64/mach64video.c b/hw/kdrive/mach64/mach64video.c
index 345ca3bbd..dbad7e2ed 100644
--- a/hw/kdrive/mach64/mach64video.c
+++ b/hw/kdrive/mach64/mach64video.c
@@ -19,6 +19,7 @@
  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  * PERFORMANCE OF THIS SOFTWARE.
  */
+/* $XFree86: $ */
 #include "mach64.h"
 
 #include "Xv.h"