diff --git a/changes4.3.html b/changes4.3.html
index a63437f6b..1541f3801 100644
--- a/changes4.3.html
+++ b/changes4.3.html
@@ -16,6 +16,8 @@
 
 <h2>Yap-4.3.23:</h2>
 <ul>
+	<li>FIXED: bug in waking up attached variables (summer@mail.sc.cninfo.net).</li>
+	<li>FIXED: extra manual bugs (Maleeha Qazi).</li>
 	<li>UPDATE: updated <code>configure.in</code> for smooth YAP compilation on MacOS X 10.2.</li>
 	<li>FIXED: <code>rint</code> is not <code>truncate/1</code> (Paulo Moura).</li>
 	<li>FIXED: recent change broke debugger help message (Nuno Fonseca).</li>
diff --git a/pl/corout.yap b/pl/corout.yap
index ccd3b4647..b23c9e61b 100644
--- a/pl/corout.yap
+++ b/pl/corout.yap
@@ -108,7 +108,7 @@
 	'$redo_ground'(Done, X, Goal).
 '$execute_woken_system_goal'('$att_do'(V,New), _) :-
 	% make sure we are not trying to wake up again a bound variable.
-	( '$att_bound'(V) -> attributes:woken_att_do(V,New) ; true ).
+	( '$att_bound'(V) -> true ; attributes:woken_att_do(V,New) ).
 
 freeze(V, G) :-
 	var(V), !,