diff --git a/uloop.c b/uloop.c
index db8cacd..3746520 100644
--- a/uloop.c
+++ b/uloop.c
@@ -181,6 +181,7 @@ static int uloop_fetch_events(int timeout)
 
 		if (u->flags & ULOOP_EDGE_DEFER) {
 			u->flags &= ~ULOOP_EDGE_DEFER;
+			u->flags |= ULOOP_EDGE_TRIGGER;
 			register_kevent(u, u->flags);
 		}
 	}
diff --git a/uloop.h b/uloop.h
index 1d32c39..975e40b 100644
--- a/uloop.h
+++ b/uloop.h
@@ -56,7 +56,7 @@ struct uloop_fd
 	bool error;
 	bool registered;
 #ifdef USE_KQUEUE
-	bool flags;
+	uint8_t flags;
 #endif
 };