diff --git a/gcc/config/freebsd-d.c b/gcc/config/freebsd-d.c
index 425ca8365ba..8a8ddd92884 100644
--- a/gcc/config/freebsd-d.c
+++ b/gcc/config/freebsd-d.c
@@ -18,6 +18,7 @@ along with GCC; see the file COPYING3.  If not see
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
+#include "memmodel.h"
 #include "tm.h"
 #include "tm_p.h"
 #include "d/d-target.h"