1 files changed, 1 insertions, 0 deletions
diff --git a/rand.h b/rand.h
index d1b253c6..dafc6eb1 100644
--- a/rand.h
+++ b/rand.h
@@ -27,6 +27,7 @@
 
 #define random_state (deref(lookup_var_l(nil, random_state_var_s)))
 extern val random_state_s, random_state_var_s;
+extern struct cobj_class *random_state_cls;
 val make_random_state(val seed, val warmup);
 val random_state_get_vec(val state);
 val random_state_p(val obj);