diff --git a/sys/alpha/alpha/mem.c b/sys/alpha/alpha/mem.c
index 196ed143aacd..caebb4f5ff20 100644
--- a/sys/alpha/alpha/mem.c
+++ b/sys/alpha/alpha/mem.c
@@ -53,8 +53,8 @@
 #include <sys/memrange.h>
 #include <sys/proc.h>
 #include <sys/msgbuf.h>
-#include <sys/signalvar.h>
 #include <sys/systm.h>
+#include <sys/signalvar.h>
 #include <sys/uio.h>
 
 #include <machine/frame.h>