diff --git a/libguile/simpos.h b/libguile/simpos.h
index 4755cafc9..7b0e5c2dc 100644
--- a/libguile/simpos.h
+++ b/libguile/simpos.h
@@ -27,6 +27,7 @@
 
 
 SCM_API SCM scm_system (SCM cmd);
+SCM_API SCM scm_system_star (SCM cmds);
 SCM_API SCM scm_getenv (SCM nam);
 SCM_API SCM scm_primitive_exit (SCM status);
 SCM_API void scm_init_simpos (void);