diff --git a/mcstrans/utils/transcon.c b/mcstrans/utils/transcon.c
index 5189f0fa..f4ded53e 100644
--- a/mcstrans/utils/transcon.c
+++ b/mcstrans/utils/transcon.c
@@ -7,7 +7,7 @@
 #include <selinux/selinux.h>
 #include "mcstrans.h"
 
-void usage(const char *progname) 
+static __attribute__((__noreturn__)) void usage(const char *progname)
 {
 	fprintf(stderr, "usage:  %s context\n", progname);
 	exit(1);
diff --git a/mcstrans/utils/untranscon.c b/mcstrans/utils/untranscon.c
index f47b6ea8..85cea294 100644
--- a/mcstrans/utils/untranscon.c
+++ b/mcstrans/utils/untranscon.c
@@ -7,7 +7,7 @@
 #include <selinux/selinux.h>
 #include "mcstrans.h"
 
-void usage(const char *progname) 
+static __attribute__((__noreturn__)) void usage(const char *progname)
 {
 	fprintf(stderr, "usage:  %s context\n", progname);
 	exit(1);