diff --git a/hw/xfree86/common/xf86str.h b/hw/xfree86/common/xf86str.h
index 9072932cb..d410e411a 100644
--- a/hw/xfree86/common/xf86str.h
+++ b/hw/xfree86/common/xf86str.h
@@ -249,7 +249,7 @@ typedef struct _DriverRec {
  */
 
 /* Tolerate prior #include <linux/input.h> */
-#if defined(__linux__)
+#if defined(__linux__) || defined(__FreeBSD__)
 #undef BUS_NONE
 #undef BUS_PCI
 #undef BUS_SBUS