diff --git a/sys/alpha/alpha/machdep.c b/sys/alpha/alpha/machdep.c
index 566b073ef1f8..c4a3e1b92e0a 100644
--- a/sys/alpha/alpha/machdep.c
+++ b/sys/alpha/alpha/machdep.c
@@ -98,12 +98,12 @@
 #include <sys/systm.h>
 #include <sys/eventhandler.h>
 #include <sys/sysproto.h>
-#include <sys/mutex.h>
 #include <sys/ktr.h>
 #include <sys/signalvar.h>
 #include <sys/kernel.h>
 #include <sys/proc.h>
 #include <sys/lock.h>
+#include <sys/mutex.h>
 #include <sys/pcpu.h>
 #include <sys/malloc.h>
 #include <sys/reboot.h>