diff --git a/console-tools/openvt.c b/console-tools/openvt.c
index c7b3e4f..9296219 100644
--- a/console-tools/openvt.c
+++ b/console-tools/openvt.c
@@ -12,6 +12,7 @@
 
 #include "busybox.h"
 
+int openvt_main(int argc, char **argv);
 int openvt_main(int argc, char **argv)
 {
 	int fd;