diff --git a/ev.pod b/ev.pod
index e983c46..3eee5e9 100644
--- a/ev.pod
+++ b/ev.pod
@@ -3877,7 +3877,7 @@ called):
    void
    wait_for_event (ev_watcher *w)
    {
-     ev_set_cb (w) = current_coro;
+     ev_set_cb (w, current_coro);
      switch_to (libev_coro);
    }