diff --git a/sbin/hastd/hooks.c b/sbin/hastd/hooks.c
index 43ba6f06851..f8c908928b0 100644
--- a/sbin/hastd/hooks.c
+++ b/sbin/hastd/hooks.c
@@ -30,7 +30,7 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/types.h>
+#include <sys/param.h>
 #include <sys/sysctl.h>
 #include <sys/wait.h>