diff --git a/sbin/hastd/control.c b/sbin/hastd/control.c
index 2f42826cfa5..4d5a407561c 100644
--- a/sbin/hastd/control.c
+++ b/sbin/hastd/control.c
@@ -32,11 +32,11 @@ __FBSDID("$FreeBSD$");
 
 #include <sys/types.h>
 #include <sys/wait.h>
-#include <signal.h>
 
 #include <assert.h>
 #include <errno.h>
 #include <pthread.h>
+#include <signal.h>
 #include <stdio.h>
 #include <string.h>